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Finding the Fourth Proportional to 216,494.16, 298,759.96 and 119,704.71

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Solution

The fourth proportional to 216,494.16, 298,759.96 and 119,704.71 is: 165,191.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,494.16 : 298,759.96 = 119,704.71 : x
  2. Step 2: Convert to fraction form
    216,494.16/298,759.96 = 119,704.71/x
  3. Step 3: Cross multiply
    216,494.16x = 298,759.96 × 119,704.71
  4. Step 4: Simplify right side
    216,494.16x = 35,762,974,371.41
  5. Step 5: Solve for x
    x = 35,762,974,371.41/216,494.16
  6. Step 6: Final answer
    x = 165,191.40

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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.