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Finding the Fourth Proportional to 218,167.50, 327,256.80 and 60,397.32

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Solution

The fourth proportional to 218,167.50, 327,256.80 and 60,397.32 is: 90,597.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,167.50 : 327,256.80 = 60,397.32 : x
  2. Step 2: Convert to fraction form
    218,167.50/327,256.80 = 60,397.32/x
  3. Step 3: Cross multiply
    218,167.50x = 327,256.80 × 60,397.32
  4. Step 4: Simplify right side
    218,167.50x = 19,765,433,671.78
  5. Step 5: Solve for x
    x = 19,765,433,671.78/218,167.50
  6. Step 6: Final answer
    x = 90,597.52

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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.