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Finding the Fourth Proportional to 218,220.17, 327,319.73 and 76,059.71

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Solution

The fourth proportional to 218,220.17, 327,319.73 and 76,059.71 is: 114,085.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,220.17 : 327,319.73 = 76,059.71 : x
  2. Step 2: Convert to fraction form
    218,220.17/327,319.73 = 76,059.71/x
  3. Step 3: Cross multiply
    218,220.17x = 327,319.73 × 76,059.71
  4. Step 4: Simplify right side
    218,220.17x = 24,895,841,724.18
  5. Step 5: Solve for x
    x = 24,895,841,724.18/218,220.17
  6. Step 6: Final answer
    x = 114,085.89

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1.5x scale

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.