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Finding the Fourth Proportional to 352,147.68, 527,768.64 and 159,881.76

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Solution

The fourth proportional to 352,147.68, 527,768.64 and 159,881.76 is: 239,617.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,147.68 : 527,768.64 = 159,881.76 : x
  2. Step 2: Convert to fraction form
    352,147.68/527,768.64 = 159,881.76/x
  3. Step 3: Cross multiply
    352,147.68x = 527,768.64 × 159,881.76
  4. Step 4: Simplify right side
    352,147.68x = 84,380,579,036.01
  5. Step 5: Solve for x
    x = 84,380,579,036.01/352,147.68
  6. Step 6: Final answer
    x = 239,617.02

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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.