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Finding the Fourth Proportional to 113,754.96, 156,981.84 and 63,453.96

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Solution

The fourth proportional to 113,754.96, 156,981.84 and 63,453.96 is: 87,566.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,754.96 : 156,981.84 = 63,453.96 : x
  2. Step 2: Convert to fraction form
    113,754.96/156,981.84 = 63,453.96/x
  3. Step 3: Cross multiply
    113,754.96x = 156,981.84 × 63,453.96
  4. Step 4: Simplify right side
    113,754.96x = 9,961,118,293.91
  5. Step 5: Solve for x
    x = 9,961,118,293.91/113,754.96
  6. Step 6: Final answer
    x = 87,566.46

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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.