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Finding the Fourth Proportional to 67,580.50, 93,240.60 and 47,162.02

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Solution

The fourth proportional to 67,580.50, 93,240.60 and 47,162.02 is: 65,069.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,580.50 : 93,240.60 = 47,162.02 : x
  2. Step 2: Convert to fraction form
    67,580.50/93,240.60 = 47,162.02/x
  3. Step 3: Cross multiply
    67,580.50x = 93,240.60 × 47,162.02
  4. Step 4: Simplify right side
    67,580.50x = 4,397,414,575.81
  5. Step 5: Solve for x
    x = 4,397,414,575.81/67,580.50
  6. Step 6: Final answer
    x = 65,069.29

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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.