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Finding the Fourth Proportional to 224,859.10, 310,306.37 and 122,884.61

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Solution

The fourth proportional to 224,859.10, 310,306.37 and 122,884.61 is: 169,581.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,859.10 : 310,306.37 = 122,884.61 : x
  2. Step 2: Convert to fraction form
    224,859.10/310,306.37 = 122,884.61/x
  3. Step 3: Cross multiply
    224,859.10x = 310,306.37 × 122,884.61
  4. Step 4: Simplify right side
    224,859.10x = 38,131,877,565.18
  5. Step 5: Solve for x
    x = 38,131,877,565.18/224,859.10
  6. Step 6: Final answer
    x = 169,581.21

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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.