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Finding the Fourth Proportional to 187,598.92, 258,886.21 and 101,557.88

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Solution

The fourth proportional to 187,598.92, 258,886.21 and 101,557.88 is: 140,149.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,598.92 : 258,886.21 = 101,557.88 : x
  2. Step 2: Convert to fraction form
    187,598.92/258,886.21 = 101,557.88/x
  3. Step 3: Cross multiply
    187,598.92x = 258,886.21 × 101,557.88
  4. Step 4: Simplify right side
    187,598.92x = 26,291,933,100.51
  5. Step 5: Solve for x
    x = 26,291,933,100.51/187,598.92
  6. Step 6: Final answer
    x = 140,149.71

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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.