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Finding the Fourth Proportional to 218,110.10, 327,165.15 and 197,114.90

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Solution

The fourth proportional to 218,110.10, 327,165.15 and 197,114.90 is: 295,672.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,110.10 : 327,165.15 = 197,114.90 : x
  2. Step 2: Convert to fraction form
    218,110.10/327,165.15 = 197,114.90/x
  3. Step 3: Cross multiply
    218,110.10x = 327,165.15 × 197,114.90
  4. Step 4: Simplify right side
    218,110.10x = 64,489,125,825.74
  5. Step 5: Solve for x
    x = 64,489,125,825.74/218,110.10
  6. Step 6: Final answer
    x = 295,672.35

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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.