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Finding the Fourth Proportional to 101,456.93, 140,001.35 and 58,424.96

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Solution

The fourth proportional to 101,456.93, 140,001.35 and 58,424.96 is: 80,621.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,456.93 : 140,001.35 = 58,424.96 : x
  2. Step 2: Convert to fraction form
    101,456.93/140,001.35 = 58,424.96/x
  3. Step 3: Cross multiply
    101,456.93x = 140,001.35 × 58,424.96
  4. Step 4: Simplify right side
    101,456.93x = 8,179,572,281.56
  5. Step 5: Solve for x
    x = 8,179,572,281.56/101,456.93
  6. Step 6: Final answer
    x = 80,621.13

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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.