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Finding the Fourth Proportional to 216,555.68, 298,834.56 and 119,753.84

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Solution

The fourth proportional to 216,555.68, 298,834.56 and 119,753.84 is: 165,253.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,555.68 : 298,834.56 = 119,753.84 : x
  2. Step 2: Convert to fraction form
    216,555.68/298,834.56 = 119,753.84/x
  3. Step 3: Cross multiply
    216,555.68x = 298,834.56 × 119,753.84
  4. Step 4: Simplify right side
    216,555.68x = 35,786,586,084.71
  5. Step 5: Solve for x
    x = 35,786,586,084.71/216,555.68
  6. Step 6: Final answer
    x = 165,253.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.