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Finding the Fourth Proportional to 238,560.74, 357,842.66 and 70,080.38

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Solution

The fourth proportional to 238,560.74, 357,842.66 and 70,080.38 is: 105,121.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,560.74 : 357,842.66 = 70,080.38 : x
  2. Step 2: Convert to fraction form
    238,560.74/357,842.66 = 70,080.38/x
  3. Step 3: Cross multiply
    238,560.74x = 357,842.66 × 70,080.38
  4. Step 4: Simplify right side
    238,560.74x = 25,077,747,453.40
  5. Step 5: Solve for x
    x = 25,077,747,453.40/238,560.74
  6. Step 6: Final answer
    x = 105,121.02

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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.