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Finding the Fourth Proportional to 115,092.14, 158,815.80 and 64,103.16

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Solution

The fourth proportional to 115,092.14, 158,815.80 and 64,103.16 is: 88,456.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,092.14 : 158,815.80 = 64,103.16 : x
  2. Step 2: Convert to fraction form
    115,092.14/158,815.80 = 64,103.16/x
  3. Step 3: Cross multiply
    115,092.14x = 158,815.80 × 64,103.16
  4. Step 4: Simplify right side
    115,092.14x = 10,180,594,637.93
  5. Step 5: Solve for x
    x = 10,180,594,637.93/115,092.14
  6. Step 6: Final answer
    x = 88,456.04

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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.