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Finding the Fourth Proportional to 71,014.55, 106,663.73 and 44,407.86

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Solution

The fourth proportional to 71,014.55, 106,663.73 and 44,407.86 is: 66,700.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,014.55 : 106,663.73 = 44,407.86 : x
  2. Step 2: Convert to fraction form
    71,014.55/106,663.73 = 44,407.86/x
  3. Step 3: Cross multiply
    71,014.55x = 106,663.73 × 44,407.86
  4. Step 4: Simplify right side
    71,014.55x = 4,736,707,766.88
  5. Step 5: Solve for x
    x = 4,736,707,766.88/71,014.55
  6. Step 6: Final answer
    x = 66,700.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.