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Finding the Fourth Proportional to 356,645.82, 534,775.52 and 156,732.14

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Solution

The fourth proportional to 356,645.82, 534,775.52 and 156,732.14 is: 235,013.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,645.82 : 534,775.52 = 156,732.14 : x
  2. Step 2: Convert to fraction form
    356,645.82/534,775.52 = 156,732.14/x
  3. Step 3: Cross multiply
    356,645.82x = 534,775.52 × 156,732.14
  4. Step 4: Simplify right side
    356,645.82x = 83,816,511,669.21
  5. Step 5: Solve for x
    x = 83,816,511,669.21/356,645.82
  6. Step 6: Final answer
    x = 235,013.30

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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.