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Finding the Fourth Proportional to 224,440.88, 309,729.48 and 123,838.88

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Solution

The fourth proportional to 224,440.88, 309,729.48 and 123,838.88 is: 170,898.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,440.88 : 309,729.48 = 123,838.88 : x
  2. Step 2: Convert to fraction form
    224,440.88/309,729.48 = 123,838.88/x
  3. Step 3: Cross multiply
    224,440.88x = 309,729.48 × 123,838.88
  4. Step 4: Simplify right side
    224,440.88x = 38,356,551,906.18
  5. Step 5: Solve for x
    x = 38,356,551,906.18/224,440.88
  6. Step 6: Final answer
    x = 170,898.24

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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.