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Finding the Fourth Proportional to 123,253.57, 184,880.36 and 34,520.23

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Solution

The fourth proportional to 123,253.57, 184,880.36 and 34,520.23 is: 51,780.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,253.57 : 184,880.36 = 34,520.23 : x
  2. Step 2: Convert to fraction form
    123,253.57/184,880.36 = 34,520.23/x
  3. Step 3: Cross multiply
    123,253.57x = 184,880.36 × 34,520.23
  4. Step 4: Simplify right side
    123,253.57x = 6,382,112,549.68
  5. Step 5: Solve for x
    x = 6,382,112,549.68/123,253.57
  6. Step 6: Final answer
    x = 51,780.35

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.