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Finding the Fourth Proportional to 218,361.60, 327,542.40 and 60,590.08

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Solution

The fourth proportional to 218,361.60, 327,542.40 and 60,590.08 is: 90,885.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,361.60 : 327,542.40 = 60,590.08 : x
  2. Step 2: Convert to fraction form
    218,361.60/327,542.40 = 60,590.08/x
  3. Step 3: Cross multiply
    218,361.60x = 327,542.40 × 60,590.08
  4. Step 4: Simplify right side
    218,361.60x = 19,845,820,219.39
  5. Step 5: Solve for x
    x = 19,845,820,219.39/218,361.60
  6. Step 6: Final answer
    x = 90,885.12

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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.