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Finding the Fourth Proportional to 101,132.64, 151,613.28 and 41,931.36

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Solution

The fourth proportional to 101,132.64, 151,613.28 and 41,931.36 is: 62,861.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,132.64 : 151,613.28 = 41,931.36 : x
  2. Step 2: Convert to fraction form
    101,132.64/151,613.28 = 41,931.36/x
  3. Step 3: Cross multiply
    101,132.64x = 151,613.28 × 41,931.36
  4. Step 4: Simplify right side
    101,132.64x = 6,357,351,024.46
  5. Step 5: Solve for x
    x = 6,357,351,024.46/101,132.64
  6. Step 6: Final answer
    x = 62,861.52

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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.