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Finding the Fourth Proportional to 125,041.73, 187,507.15 and 89,833.76

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Solution

The fourth proportional to 125,041.73, 187,507.15 and 89,833.76 is: 134,710.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,041.73 : 187,507.15 = 89,833.76 : x
  2. Step 2: Convert to fraction form
    125,041.73/187,507.15 = 89,833.76/x
  3. Step 3: Cross multiply
    125,041.73x = 187,507.15 × 89,833.76
  4. Step 4: Simplify right side
    125,041.73x = 16,844,472,357.73
  5. Step 5: Solve for x
    x = 16,844,472,357.73/125,041.73
  6. Step 6: Final answer
    x = 134,710.81

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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.