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Finding the Fourth Proportional to 187,494.52, 258,652.98 and 115,848.76

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Solution

The fourth proportional to 187,494.52, 258,652.98 and 115,848.76 is: 159,816.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,494.52 : 258,652.98 = 115,848.76 : x
  2. Step 2: Convert to fraction form
    187,494.52/258,652.98 = 115,848.76/x
  3. Step 3: Cross multiply
    187,494.52x = 258,652.98 × 115,848.76
  4. Step 4: Simplify right side
    187,494.52x = 29,964,627,003.30
  5. Step 5: Solve for x
    x = 29,964,627,003.30/187,494.52
  6. Step 6: Final answer
    x = 159,816.01

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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.