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Finding the Fourth Proportional to 216,460.88, 298,522.62 and 135,895.92

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Solution

The fourth proportional to 216,460.88, 298,522.62 and 135,895.92 is: 187,414.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,460.88 : 298,522.62 = 135,895.92 : x
  2. Step 2: Convert to fraction form
    216,460.88/298,522.62 = 135,895.92/x
  3. Step 3: Cross multiply
    216,460.88x = 298,522.62 × 135,895.92
  4. Step 4: Simplify right side
    216,460.88x = 40,568,006,085.71
  5. Step 5: Solve for x
    x = 40,568,006,085.71/216,460.88
  6. Step 6: Final answer
    x = 187,414.96

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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.