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Finding the Fourth Proportional to 125,275.71, 187,893.56 and 36,508.45

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Solution

The fourth proportional to 125,275.71, 187,893.56 and 36,508.45 is: 54,756.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,275.71 : 187,893.56 = 36,508.45 : x
  2. Step 2: Convert to fraction form
    125,275.71/187,893.56 = 36,508.45/x
  3. Step 3: Cross multiply
    125,275.71x = 187,893.56 × 36,508.45
  4. Step 4: Simplify right side
    125,275.71x = 6,859,702,640.58
  5. Step 5: Solve for x
    x = 6,859,702,640.58/125,275.71
  6. Step 6: Final answer
    x = 54,756.85

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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.