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Finding the Fourth Proportional to 113,548.88, 156,704.47 and 63,247.88

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Solution

The fourth proportional to 113,548.88, 156,704.47 and 63,247.88 is: 87,285.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,548.88 : 156,704.47 = 63,247.88 : x
  2. Step 2: Convert to fraction form
    113,548.88/156,704.47 = 63,247.88/x
  3. Step 3: Cross multiply
    113,548.88x = 156,704.47 × 63,247.88
  4. Step 4: Simplify right side
    113,548.88x = 9,911,225,747.67
  5. Step 5: Solve for x
    x = 9,911,225,747.67/113,548.88
  6. Step 6: Final answer
    x = 87,285.98

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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.