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Finding the Fourth Proportional to 108,002.50, 149,047.77 and 60,260.02

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Solution

The fourth proportional to 108,002.50, 149,047.77 and 60,260.02 is: 83,161.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,002.50 : 149,047.77 = 60,260.02 : x
  2. Step 2: Convert to fraction form
    108,002.50/149,047.77 = 60,260.02/x
  3. Step 3: Cross multiply
    108,002.50x = 149,047.77 × 60,260.02
  4. Step 4: Simplify right side
    108,002.50x = 8,981,621,601.16
  5. Step 5: Solve for x
    x = 8,981,621,601.16/108,002.50
  6. Step 6: Final answer
    x = 83,161.24

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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.