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Finding the Fourth Proportional to 159,307.68, 238,900.08 and 54,101.92

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Solution

The fourth proportional to 159,307.68, 238,900.08 and 54,101.92 is: 81,132.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,307.68 : 238,900.08 = 54,101.92 : x
  2. Step 2: Convert to fraction form
    159,307.68/238,900.08 = 54,101.92/x
  3. Step 3: Cross multiply
    159,307.68x = 238,900.08 × 54,101.92
  4. Step 4: Simplify right side
    159,307.68x = 12,924,953,016.15
  5. Step 5: Solve for x
    x = 12,924,953,016.15/159,307.68
  6. Step 6: Final answer
    x = 81,132.01

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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.