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Finding the Fourth Proportional to 218,033.40, 327,258.90 and 112,927.80

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Solution

The fourth proportional to 218,033.40, 327,258.90 and 112,927.80 is: 169,499.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,033.40 : 327,258.90 = 112,927.80 : x
  2. Step 2: Convert to fraction form
    218,033.40/327,258.90 = 112,927.80/x
  3. Step 3: Cross multiply
    218,033.40x = 327,258.90 × 112,927.80
  4. Step 4: Simplify right side
    218,033.40x = 36,956,627,607.42
  5. Step 5: Solve for x
    x = 36,956,627,607.42/218,033.40
  6. Step 6: Final answer
    x = 169,499.85

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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.