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Finding the Fourth Proportional to 101,136.70, 151,359.45 and 88,695.10

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Solution

The fourth proportional to 101,136.70, 151,359.45 and 88,695.10 is: 132,739.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,136.70 : 151,359.45 = 88,695.10 : x
  2. Step 2: Convert to fraction form
    101,136.70/151,359.45 = 88,695.10/x
  3. Step 3: Cross multiply
    101,136.70x = 151,359.45 × 88,695.10
  4. Step 4: Simplify right side
    101,136.70x = 13,424,841,553.70
  5. Step 5: Solve for x
    x = 13,424,841,553.70/101,136.70
  6. Step 6: Final answer
    x = 132,739.56

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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.