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Finding the Fourth Proportional to 239,162.86, 358,788.42 and 98,932.42

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Solution

The fourth proportional to 239,162.86, 358,788.42 and 98,932.42 is: 148,416.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,162.86 : 358,788.42 = 98,932.42 : x
  2. Step 2: Convert to fraction form
    239,162.86/358,788.42 = 98,932.42/x
  3. Step 3: Cross multiply
    239,162.86x = 358,788.42 × 98,932.42
  4. Step 4: Simplify right side
    239,162.86x = 35,495,806,658.58
  5. Step 5: Solve for x
    x = 35,495,806,658.58/239,162.86
  6. Step 6: Final answer
    x = 148,416.88

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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.