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Finding the Fourth Proportional to 159,505.30, 239,244.45 and 48,697.30

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Solution

The fourth proportional to 159,505.30, 239,244.45 and 48,697.30 is: 73,041.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,505.30 : 239,244.45 = 48,697.30 : x
  2. Step 2: Convert to fraction form
    159,505.30/239,244.45 = 48,697.30/x
  3. Step 3: Cross multiply
    159,505.30x = 239,244.45 × 48,697.30
  4. Step 4: Simplify right side
    159,505.30x = 11,650,558,754.99
  5. Step 5: Solve for x
    x = 11,650,558,754.99/159,505.30
  6. Step 6: Final answer
    x = 73,041.83

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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.