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Finding the Fourth Proportional to 187,753.52, 259,095.84 and 102,868.76

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Solution

The fourth proportional to 187,753.52, 259,095.84 and 102,868.76 is: 141,956.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,753.52 : 259,095.84 = 102,868.76 : x
  2. Step 2: Convert to fraction form
    187,753.52/259,095.84 = 102,868.76/x
  3. Step 3: Cross multiply
    187,753.52x = 259,095.84 × 102,868.76
  4. Step 4: Simplify right side
    187,753.52x = 26,652,867,781.96
  5. Step 5: Solve for x
    x = 26,652,867,781.96/187,753.52
  6. Step 6: Final answer
    x = 141,956.69

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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.