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Finding the Fourth Proportional to 118,114.91, 176,863.52 and 64,695.77

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Solution

The fourth proportional to 118,114.91, 176,863.52 and 64,695.77 is: 96,874.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,114.91 : 176,863.52 = 64,695.77 : x
  2. Step 2: Convert to fraction form
    118,114.91/176,863.52 = 64,695.77/x
  3. Step 3: Cross multiply
    118,114.91x = 176,863.52 × 64,695.77
  4. Step 4: Simplify right side
    118,114.91x = 11,442,320,888.73
  5. Step 5: Solve for x
    x = 11,442,320,888.73/118,114.91
  6. Step 6: Final answer
    x = 96,874.48

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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.