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Finding the Fourth Proportional to 218,683.35, 327,911.58 and 100,252.71

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Solution

The fourth proportional to 218,683.35, 327,911.58 and 100,252.71 is: 150,327.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,683.35 : 327,911.58 = 100,252.71 : x
  2. Step 2: Convert to fraction form
    218,683.35/327,911.58 = 100,252.71/x
  3. Step 3: Cross multiply
    218,683.35x = 327,911.58 × 100,252.71
  4. Step 4: Simplify right side
    218,683.35x = 32,874,024,535.38
  5. Step 5: Solve for x
    x = 32,874,024,535.38/218,683.35
  6. Step 6: Final answer
    x = 150,327.06

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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.