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Finding the Fourth Proportional to 108,001.40, 162,074.40 and 44,821.59

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Solution

The fourth proportional to 108,001.40, 162,074.40 and 44,821.59 is: 67,262.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,001.40 : 162,074.40 = 44,821.59 : x
  2. Step 2: Convert to fraction form
    108,001.40/162,074.40 = 44,821.59/x
  3. Step 3: Cross multiply
    108,001.40x = 162,074.40 × 44,821.59
  4. Step 4: Simplify right side
    108,001.40x = 7,264,432,306.30
  5. Step 5: Solve for x
    x = 7,264,432,306.30/108,001.40
  6. Step 6: Final answer
    x = 67,262.39

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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.