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Finding the Fourth Proportional to 218,363.68, 327,549.57 and 68,601.16

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Solution

The fourth proportional to 218,363.68, 327,549.57 and 68,601.16 is: 102,903.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,363.68 : 327,549.57 = 68,601.16 : x
  2. Step 2: Convert to fraction form
    218,363.68/327,549.57 = 68,601.16/x
  3. Step 3: Cross multiply
    218,363.68x = 327,549.57 × 68,601.16
  4. Step 4: Simplify right side
    218,363.68x = 22,470,280,459.50
  5. Step 5: Solve for x
    x = 22,470,280,459.50/218,363.68
  6. Step 6: Final answer
    x = 102,903.01

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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.