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Finding the Fourth Proportional to 123,924.80, 185,887.20 and 35,169.60

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Solution

The fourth proportional to 123,924.80, 185,887.20 and 35,169.60 is: 52,754.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,924.80 : 185,887.20 = 35,169.60 : x
  2. Step 2: Convert to fraction form
    123,924.80/185,887.20 = 35,169.60/x
  3. Step 3: Cross multiply
    123,924.80x = 185,887.20 × 35,169.60
  4. Step 4: Simplify right side
    123,924.80x = 6,537,578,469.12
  5. Step 5: Solve for x
    x = 6,537,578,469.12/123,924.80
  6. Step 6: Final answer
    x = 52,754.40

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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.