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Finding the Fourth Proportional to 65,943.92, 98,980.68 and 48,363.68

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Solution

The fourth proportional to 65,943.92, 98,980.68 and 48,363.68 is: 72,593.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,943.92 : 98,980.68 = 48,363.68 : x
  2. Step 2: Convert to fraction form
    65,943.92/98,980.68 = 48,363.68/x
  3. Step 3: Cross multiply
    65,943.92x = 98,980.68 × 48,363.68
  4. Step 4: Simplify right side
    65,943.92x = 4,787,069,933.70
  5. Step 5: Solve for x
    x = 4,787,069,933.70/65,943.92
  6. Step 6: Final answer
    x = 72,593.04

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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.