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Finding the Fourth Proportional to 224,239.52, 309,449.28 and 123,637.60

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Solution

The fourth proportional to 224,239.52, 309,449.28 and 123,637.60 is: 170,619.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,239.52 : 309,449.28 = 123,637.60 : x
  2. Step 2: Convert to fraction form
    224,239.52/309,449.28 = 123,637.60/x
  3. Step 3: Cross multiply
    224,239.52x = 309,449.28 × 123,637.60
  4. Step 4: Simplify right side
    224,239.52x = 38,259,566,300.93
  5. Step 5: Solve for x
    x = 38,259,566,300.93/224,239.52
  6. Step 6: Final answer
    x = 170,619.19

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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.