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Finding the Fourth Proportional to 118,414.92, 176,758.52 and 103,468

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Solution

The fourth proportional to 118,414.92, 176,758.52 and 103,468 is: 154,447.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,414.92 : 176,758.52 = 103,468 : x
  2. Step 2: Convert to fraction form
    118,414.92/176,758.52 = 103,468/x
  3. Step 3: Cross multiply
    118,414.92x = 176,758.52 × 103,468
  4. Step 4: Simplify right side
    118,414.92x = 18,288,850,547.36
  5. Step 5: Solve for x
    x = 18,288,850,547.36/118,414.92
  6. Step 6: Final answer
    x = 154,447.18

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.