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Finding the Fourth Proportional to 218,005.74, 327,005.36 and 60,230.70

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Solution

The fourth proportional to 218,005.74, 327,005.36 and 60,230.70 is: 90,345.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,005.74 : 327,005.36 = 60,230.70 : x
  2. Step 2: Convert to fraction form
    218,005.74/327,005.36 = 60,230.70/x
  3. Step 3: Cross multiply
    218,005.74x = 327,005.36 × 60,230.70
  4. Step 4: Simplify right side
    218,005.74x = 19,695,761,435.40
  5. Step 5: Solve for x
    x = 19,695,761,435.40/218,005.74
  6. Step 6: Final answer
    x = 90,345.15

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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.