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Finding the Fourth Proportional to 238,761.96, 358,143.12 and 61,269

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Solution

The fourth proportional to 238,761.96, 358,143.12 and 61,269 is: 91,903.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,761.96 : 358,143.12 = 61,269 : x
  2. Step 2: Convert to fraction form
    238,761.96/358,143.12 = 61,269/x
  3. Step 3: Cross multiply
    238,761.96x = 358,143.12 × 61,269
  4. Step 4: Simplify right side
    238,761.96x = 21,943,070,819.28
  5. Step 5: Solve for x
    x = 21,943,070,819.28/238,761.96
  6. Step 6: Final answer
    x = 91,903.55

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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.