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Finding the Fourth Proportional to 218,199.39, 327,261.96 and 60,390.87

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Solution

The fourth proportional to 218,199.39, 327,261.96 and 60,390.87 is: 90,576.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,199.39 : 327,261.96 = 60,390.87 : x
  2. Step 2: Convert to fraction form
    218,199.39/327,261.96 = 60,390.87/x
  3. Step 3: Cross multiply
    218,199.39x = 327,261.96 × 60,390.87
  4. Step 4: Simplify right side
    218,199.39x = 19,763,634,482.31
  5. Step 5: Solve for x
    x = 19,763,634,482.31/218,199.39
  6. Step 6: Final answer
    x = 90,576.03

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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.