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Finding the Fourth Proportional to 239,208.38, 358,819.49 and 61,715.39

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Solution

The fourth proportional to 239,208.38, 358,819.49 and 61,715.39 is: 92,574.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,208.38 : 358,819.49 = 61,715.39 : x
  2. Step 2: Convert to fraction form
    239,208.38/358,819.49 = 61,715.39/x
  3. Step 3: Cross multiply
    239,208.38x = 358,819.49 × 61,715.39
  4. Step 4: Simplify right side
    239,208.38x = 22,144,685,143.50
  5. Step 5: Solve for x
    x = 22,144,685,143.50/239,208.38
  6. Step 6: Final answer
    x = 92,574.87

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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.