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Finding the Fourth Proportional to 108,074.64, 162,024.48 and 41,480.76

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Solution

The fourth proportional to 108,074.64, 162,024.48 and 41,480.76 is: 62,187.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,074.64 : 162,024.48 = 41,480.76 : x
  2. Step 2: Convert to fraction form
    108,074.64/162,024.48 = 41,480.76/x
  3. Step 3: Cross multiply
    108,074.64x = 162,024.48 × 41,480.76
  4. Step 4: Simplify right side
    108,074.64x = 6,720,898,569.00
  5. Step 5: Solve for x
    x = 6,720,898,569.00/108,074.64
  6. Step 6: Final answer
    x = 62,187.56

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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.