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Finding the Fourth Proportional to 159,333.81, 239,008.65 and 45,498.50

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Solution

The fourth proportional to 159,333.81, 239,008.65 and 45,498.50 is: 68,250.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,333.81 : 239,008.65 = 45,498.50 : x
  2. Step 2: Convert to fraction form
    159,333.81/239,008.65 = 45,498.50/x
  3. Step 3: Cross multiply
    159,333.81x = 239,008.65 × 45,498.50
  4. Step 4: Simplify right side
    159,333.81x = 10,874,535,062.03
  5. Step 5: Solve for x
    x = 10,874,535,062.03/159,333.81
  6. Step 6: Final answer
    x = 68,250.02

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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.