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Finding the Fourth Proportional to 113,750.85, 156,984.98 and 62,773.71

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Solution

The fourth proportional to 113,750.85, 156,984.98 and 62,773.71 is: 86,632.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,750.85 : 156,984.98 = 62,773.71 : x
  2. Step 2: Convert to fraction form
    113,750.85/156,984.98 = 62,773.71/x
  3. Step 3: Cross multiply
    113,750.85x = 156,984.98 × 62,773.71
  4. Step 4: Simplify right side
    113,750.85x = 9,854,529,608.88
  5. Step 5: Solve for x
    x = 9,854,529,608.88/113,750.85
  6. Step 6: Final answer
    x = 86,632.58

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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.