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Finding the Fourth Proportional to 108,598.59, 162,876.02 and 29,720.79

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Solution

The fourth proportional to 108,598.59, 162,876.02 and 29,720.79 is: 44,575.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,598.59 : 162,876.02 = 29,720.79 : x
  2. Step 2: Convert to fraction form
    108,598.59/162,876.02 = 29,720.79/x
  3. Step 3: Cross multiply
    108,598.59x = 162,876.02 × 29,720.79
  4. Step 4: Simplify right side
    108,598.59x = 4,840,803,837.85
  5. Step 5: Solve for x
    x = 4,840,803,837.85/108,598.59
  6. Step 6: Final answer
    x = 44,575.20

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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.