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Finding the Fourth Proportional to 177,854.58, 245,446.13 and 101,385.72

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Solution

The fourth proportional to 177,854.58, 245,446.13 and 101,385.72 is: 139,916.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,854.58 : 245,446.13 = 101,385.72 : x
  2. Step 2: Convert to fraction form
    177,854.58/245,446.13 = 101,385.72/x
  3. Step 3: Cross multiply
    177,854.58x = 245,446.13 × 101,385.72
  4. Step 4: Simplify right side
    177,854.58x = 24,884,732,864.73
  5. Step 5: Solve for x
    x = 24,884,732,864.73/177,854.58
  6. Step 6: Final answer
    x = 139,916.18

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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.