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Finding the Fourth Proportional to 218,113.07, 327,169.62 and 68,353.34

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Solution

The fourth proportional to 218,113.07, 327,169.62 and 68,353.34 is: 102,530.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,113.07 : 327,169.62 = 68,353.34 : x
  2. Step 2: Convert to fraction form
    218,113.07/327,169.62 = 68,353.34/x
  3. Step 3: Cross multiply
    218,113.07x = 327,169.62 × 68,353.34
  4. Step 4: Simplify right side
    218,113.07x = 22,363,134,637.68
  5. Step 5: Solve for x
    x = 22,363,134,637.68/218,113.07
  6. Step 6: Final answer
    x = 102,530.01

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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.