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Finding the Fourth Proportional to 108,867.86, 150,232.64 and 60,472.86

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Solution

The fourth proportional to 108,867.86, 150,232.64 and 60,472.86 is: 83,449.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,867.86 : 150,232.64 = 60,472.86 : x
  2. Step 2: Convert to fraction form
    108,867.86/150,232.64 = 60,472.86/x
  3. Step 3: Cross multiply
    108,867.86x = 150,232.64 × 60,472.86
  4. Step 4: Simplify right side
    108,867.86x = 9,084,997,330.56
  5. Step 5: Solve for x
    x = 9,084,997,330.56/108,867.86
  6. Step 6: Final answer
    x = 83,449.76

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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.