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Finding the Fourth Proportional to 237,569.82, 356,428.85 and 79,805.12

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Solution

The fourth proportional to 237,569.82, 356,428.85 and 79,805.12 is: 119,732.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,569.82 : 356,428.85 = 79,805.12 : x
  2. Step 2: Convert to fraction form
    237,569.82/356,428.85 = 79,805.12/x
  3. Step 3: Cross multiply
    237,569.82x = 356,428.85 × 79,805.12
  4. Step 4: Simplify right side
    237,569.82x = 28,444,847,145.71
  5. Step 5: Solve for x
    x = 28,444,847,145.71/237,569.82
  6. Step 6: Final answer
    x = 119,732.58

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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.