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Finding the Fourth Proportional to 218,074.60, 327,122.70 and 113,098.60

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Solution

The fourth proportional to 218,074.60, 327,122.70 and 113,098.60 is: 169,653.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,074.60 : 327,122.70 = 113,098.60 : x
  2. Step 2: Convert to fraction form
    218,074.60/327,122.70 = 113,098.60/x
  3. Step 3: Cross multiply
    218,074.60x = 327,122.70 × 113,098.60
  4. Step 4: Simplify right side
    218,074.60x = 36,997,119,398.22
  5. Step 5: Solve for x
    x = 36,997,119,398.22/218,074.60
  6. Step 6: Final answer
    x = 169,653.50

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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.