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Finding the Fourth Proportional to 117,397.78, 176,124.32 and 93,472.58

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Solution

The fourth proportional to 117,397.78, 176,124.32 and 93,472.58 is: 140,230.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,397.78 : 176,124.32 = 93,472.58 : x
  2. Step 2: Convert to fraction form
    117,397.78/176,124.32 = 93,472.58/x
  3. Step 3: Cross multiply
    117,397.78x = 176,124.32 × 93,472.58
  4. Step 4: Simplify right side
    117,397.78x = 16,462,794,591.15
  5. Step 5: Solve for x
    x = 16,462,794,591.15/117,397.78
  6. Step 6: Final answer
    x = 140,230.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.