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Finding the Fourth Proportional to 187,608.92, 258,898.46 and 101,565.63

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Solution

The fourth proportional to 187,608.92, 258,898.46 and 101,565.63 is: 140,159.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,608.92 : 258,898.46 = 101,565.63 : x
  2. Step 2: Convert to fraction form
    187,608.92/258,898.46 = 101,565.63/x
  3. Step 3: Cross multiply
    187,608.92x = 258,898.46 × 101,565.63
  4. Step 4: Simplify right side
    187,608.92x = 26,295,184,177.70
  5. Step 5: Solve for x
    x = 26,295,184,177.70/187,608.92
  6. Step 6: Final answer
    x = 140,159.56

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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.