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Finding the Fourth Proportional to 159,048.08, 238,416.60 and 65,620.88

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Solution

The fourth proportional to 159,048.08, 238,416.60 and 65,620.88 is: 98,367.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,048.08 : 238,416.60 = 65,620.88 : x
  2. Step 2: Convert to fraction form
    159,048.08/238,416.60 = 65,620.88/x
  3. Step 3: Cross multiply
    159,048.08x = 238,416.60 × 65,620.88
  4. Step 4: Simplify right side
    159,048.08x = 15,645,107,098.61
  5. Step 5: Solve for x
    x = 15,645,107,098.61/159,048.08
  6. Step 6: Final answer
    x = 98,367.15

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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.