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Finding the Fourth Proportional to 60,853, 91,295.02 and 43,118.68

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Solution

The fourth proportional to 60,853, 91,295.02 and 43,118.68 is: 64,689.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,853 : 91,295.02 = 43,118.68 : x
  2. Step 2: Convert to fraction form
    60,853/91,295.02 = 43,118.68/x
  3. Step 3: Cross multiply
    60,853x = 91,295.02 × 43,118.68
  4. Step 4: Simplify right side
    60,853x = 3,936,520,752.97
  5. Step 5: Solve for x
    x = 3,936,520,752.97/60,853
  6. Step 6: Final answer
    x = 64,689.02

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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.