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Finding the Fourth Proportional to 113,347.02, 156,418.46 and 63,046.02

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Solution

The fourth proportional to 113,347.02, 156,418.46 and 63,046.02 is: 87,003.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,347.02 : 156,418.46 = 63,046.02 : x
  2. Step 2: Convert to fraction form
    113,347.02/156,418.46 = 63,046.02/x
  3. Step 3: Cross multiply
    113,347.02x = 156,418.46 × 63,046.02
  4. Step 4: Simplify right side
    113,347.02x = 9,861,561,357.53
  5. Step 5: Solve for x
    x = 9,861,561,357.53/113,347.02
  6. Step 6: Final answer
    x = 87,003.27

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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.