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Finding the Fourth Proportional to 108,097.12, 162,035.52 and 61,251.04

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Solution

The fourth proportional to 108,097.12, 162,035.52 and 61,251.04 is: 91,814.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,097.12 : 162,035.52 = 61,251.04 : x
  2. Step 2: Convert to fraction form
    108,097.12/162,035.52 = 61,251.04/x
  3. Step 3: Cross multiply
    108,097.12x = 162,035.52 × 61,251.04
  4. Step 4: Simplify right side
    108,097.12x = 9,924,844,116.94
  5. Step 5: Solve for x
    x = 9,924,844,116.94/108,097.12
  6. Step 6: Final answer
    x = 91,814.14

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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.