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Finding the Fourth Proportional to 218,105.51, 327,158.33 and 68,357.41

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Solution

The fourth proportional to 218,105.51, 327,158.33 and 68,357.41 is: 102,536.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,105.51 : 327,158.33 = 68,357.41 : x
  2. Step 2: Convert to fraction form
    218,105.51/327,158.33 = 68,357.41/x
  3. Step 3: Cross multiply
    218,105.51x = 327,158.33 × 68,357.41
  4. Step 4: Simplify right side
    218,105.51x = 22,363,697,356.07
  5. Step 5: Solve for x
    x = 22,363,697,356.07/218,105.51
  6. Step 6: Final answer
    x = 102,536.14

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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.