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Finding the Fourth Proportional to 159,341.82, 239,020.68 and 45,506.52

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Solution

The fourth proportional to 159,341.82, 239,020.68 and 45,506.52 is: 68,262.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,341.82 : 239,020.68 = 45,506.52 : x
  2. Step 2: Convert to fraction form
    159,341.82/239,020.68 = 45,506.52/x
  3. Step 3: Cross multiply
    159,341.82x = 239,020.68 × 45,506.52
  4. Step 4: Simplify right side
    159,341.82x = 10,876,999,354.83
  5. Step 5: Solve for x
    x = 10,876,999,354.83/159,341.82
  6. Step 6: Final answer
    x = 68,262.05

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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.