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Finding the Fourth Proportional to 224,001.60, 309,122.07 and 123,399.60

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Solution

The fourth proportional to 224,001.60, 309,122.07 and 123,399.60 is: 170,291.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,001.60 : 309,122.07 = 123,399.60 : x
  2. Step 2: Convert to fraction form
    224,001.60/309,122.07 = 123,399.60/x
  3. Step 3: Cross multiply
    224,001.60x = 309,122.07 × 123,399.60
  4. Step 4: Simplify right side
    224,001.60x = 38,145,539,789.17
  5. Step 5: Solve for x
    x = 38,145,539,789.17/224,001.60
  6. Step 6: Final answer
    x = 170,291.37

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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.