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Finding the Fourth Proportional to 379,429.46, 569,130.62 and 95,122.38

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Solution

The fourth proportional to 379,429.46, 569,130.62 and 95,122.38 is: 142,680.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,429.46 : 569,130.62 = 95,122.38 : x
  2. Step 2: Convert to fraction form
    379,429.46/569,130.62 = 95,122.38/x
  3. Step 3: Cross multiply
    379,429.46x = 569,130.62 × 95,122.38
  4. Step 4: Simplify right side
    379,429.46x = 54,137,059,105.28
  5. Step 5: Solve for x
    x = 54,137,059,105.28/379,429.46
  6. Step 6: Final answer
    x = 142,680.17

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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.