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Finding the Fourth Proportional to 224,448.07, 309,737.49 and 122,472.64

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Solution

The fourth proportional to 224,448.07, 309,737.49 and 122,472.64 is: 169,011.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,448.07 : 309,737.49 = 122,472.64 : x
  2. Step 2: Convert to fraction form
    224,448.07/309,737.49 = 122,472.64/x
  3. Step 3: Cross multiply
    224,448.07x = 309,737.49 × 122,472.64
  4. Step 4: Simplify right side
    224,448.07x = 37,934,369,068.54
  5. Step 5: Solve for x
    x = 37,934,369,068.54/224,448.07
  6. Step 6: Final answer
    x = 169,011.78

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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.