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Finding the Fourth Proportional to 92,630.49, 127,830.11 and 50,189.04

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Solution

The fourth proportional to 92,630.49, 127,830.11 and 50,189.04 is: 69,260.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,630.49 : 127,830.11 = 50,189.04 : x
  2. Step 2: Convert to fraction form
    92,630.49/127,830.11 = 50,189.04/x
  3. Step 3: Cross multiply
    92,630.49x = 127,830.11 × 50,189.04
  4. Step 4: Simplify right side
    92,630.49x = 6,415,670,253.05
  5. Step 5: Solve for x
    x = 6,415,670,253.05/92,630.49
  6. Step 6: Final answer
    x = 69,260.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.