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Finding the Fourth Proportional to 159,468.04, 239,231.50 and 65,981.08

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Solution

The fourth proportional to 159,468.04, 239,231.50 and 65,981.08 is: 98,983.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,468.04 : 239,231.50 = 65,981.08 : x
  2. Step 2: Convert to fraction form
    159,468.04/239,231.50 = 65,981.08/x
  3. Step 3: Cross multiply
    159,468.04x = 239,231.50 × 65,981.08
  4. Step 4: Simplify right side
    159,468.04x = 15,784,752,740.02
  5. Step 5: Solve for x
    x = 15,784,752,740.02/159,468.04
  6. Step 6: Final answer
    x = 98,983.80

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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.