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Finding the Fourth Proportional to 238,313.69, 357,470.28 and 60,820.70

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Solution

The fourth proportional to 238,313.69, 357,470.28 and 60,820.70 is: 91,230.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,313.69 : 357,470.28 = 60,820.70 : x
  2. Step 2: Convert to fraction form
    238,313.69/357,470.28 = 60,820.70/x
  3. Step 3: Cross multiply
    238,313.69x = 357,470.28 × 60,820.70
  4. Step 4: Simplify right side
    238,313.69x = 21,741,592,658.80
  5. Step 5: Solve for x
    x = 21,741,592,658.80/238,313.69
  6. Step 6: Final answer
    x = 91,230.98

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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.