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Finding the Fourth Proportional to 187,807.76, 259,175.52 and 101,766.92

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Solution

The fourth proportional to 187,807.76, 259,175.52 and 101,766.92 is: 140,438.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,807.76 : 259,175.52 = 101,766.92 : x
  2. Step 2: Convert to fraction form
    187,807.76/259,175.52 = 101,766.92/x
  3. Step 3: Cross multiply
    187,807.76x = 259,175.52 × 101,766.92
  4. Step 4: Simplify right side
    187,807.76x = 26,375,494,409.80
  5. Step 5: Solve for x
    x = 26,375,494,409.80/187,807.76
  6. Step 6: Final answer
    x = 140,438.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.