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Finding the Fourth Proportional to 238,065.96, 357,119.91 and 88,307.85

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Solution

The fourth proportional to 238,065.96, 357,119.91 and 88,307.85 is: 132,469.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,065.96 : 357,119.91 = 88,307.85 : x
  2. Step 2: Convert to fraction form
    238,065.96/357,119.91 = 88,307.85/x
  3. Step 3: Cross multiply
    238,065.96x = 357,119.91 × 88,307.85
  4. Step 4: Simplify right side
    238,065.96x = 31,536,491,444.29
  5. Step 5: Solve for x
    x = 31,536,491,444.29/238,065.96
  6. Step 6: Final answer
    x = 132,469.55

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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.