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Finding the Fourth Proportional to 218,616.84, 327,925.33 and 168,769.71

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Solution

The fourth proportional to 218,616.84, 327,925.33 and 168,769.71 is: 253,154.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,616.84 : 327,925.33 = 168,769.71 : x
  2. Step 2: Convert to fraction form
    218,616.84/327,925.33 = 168,769.71/x
  3. Step 3: Cross multiply
    218,616.84x = 327,925.33 × 168,769.71
  4. Step 4: Simplify right side
    218,616.84x = 55,343,862,423.83
  5. Step 5: Solve for x
    x = 55,343,862,423.83/218,616.84
  6. Step 6: Final answer
    x = 253,154.62

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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.