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Finding the Fourth Proportional to 115,898.88, 173,848.32 and 60,481.92

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Solution

The fourth proportional to 115,898.88, 173,848.32 and 60,481.92 is: 90,722.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,898.88 : 173,848.32 = 60,481.92 : x
  2. Step 2: Convert to fraction form
    115,898.88/173,848.32 = 60,481.92/x
  3. Step 3: Cross multiply
    115,898.88x = 173,848.32 × 60,481.92
  4. Step 4: Simplify right side
    115,898.88x = 10,514,680,182.37
  5. Step 5: Solve for x
    x = 10,514,680,182.37/115,898.88
  6. Step 6: Final answer
    x = 90,722.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.