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Finding the Fourth Proportional to 67,617.52, 93,281.16 and 43,751.98

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Solution

The fourth proportional to 67,617.52, 93,281.16 and 43,751.98 is: 60,357.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,617.52 : 93,281.16 = 43,751.98 : x
  2. Step 2: Convert to fraction form
    67,617.52/93,281.16 = 43,751.98/x
  3. Step 3: Cross multiply
    67,617.52x = 93,281.16 × 43,751.98
  4. Step 4: Simplify right side
    67,617.52x = 4,081,235,446.70
  5. Step 5: Solve for x
    x = 4,081,235,446.70/67,617.52
  6. Step 6: Final answer
    x = 60,357.66

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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.