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Finding the Fourth Proportional to 159,673.87, 239,505.61 and 64,876.02

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Solution

The fourth proportional to 159,673.87, 239,505.61 and 64,876.02 is: 97,311.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,673.87 : 239,505.61 = 64,876.02 : x
  2. Step 2: Convert to fraction form
    159,673.87/239,505.61 = 64,876.02/x
  3. Step 3: Cross multiply
    159,673.87x = 239,505.61 × 64,876.02
  4. Step 4: Simplify right side
    159,673.87x = 15,538,171,153.00
  5. Step 5: Solve for x
    x = 15,538,171,153.00/159,673.87
  6. Step 6: Final answer
    x = 97,311.92

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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.