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Finding the Fourth Proportional to 108,034.20, 162,124.20 and 60,649.20

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Solution

The fourth proportional to 108,034.20, 162,124.20 and 60,649.20 is: 91,014.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,034.20 : 162,124.20 = 60,649.20 : x
  2. Step 2: Convert to fraction form
    108,034.20/162,124.20 = 60,649.20/x
  3. Step 3: Cross multiply
    108,034.20x = 162,124.20 × 60,649.20
  4. Step 4: Simplify right side
    108,034.20x = 9,832,703,030.64
  5. Step 5: Solve for x
    x = 9,832,703,030.64/108,034.20
  6. Step 6: Final answer
    x = 91,014.73

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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.