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Finding the Fourth Proportional to 159,251.13, 238,913.60 and 54,070.10

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Solution

The fourth proportional to 159,251.13, 238,913.60 and 54,070.10 is: 81,117.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,251.13 : 238,913.60 = 54,070.10 : x
  2. Step 2: Convert to fraction form
    159,251.13/238,913.60 = 54,070.10/x
  3. Step 3: Cross multiply
    159,251.13x = 238,913.60 × 54,070.10
  4. Step 4: Simplify right side
    159,251.13x = 12,918,082,243.36
  5. Step 5: Solve for x
    x = 12,918,082,243.36/159,251.13
  6. Step 6: Final answer
    x = 81,117.68

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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.