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Finding the Fourth Proportional to 216,460.60, 298,522.24 and 135,895.64

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Solution

The fourth proportional to 216,460.60, 298,522.24 and 135,895.64 is: 187,414.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,460.60 : 298,522.24 = 135,895.64 : x
  2. Step 2: Convert to fraction form
    216,460.60/298,522.24 = 135,895.64/x
  3. Step 3: Cross multiply
    216,460.60x = 298,522.24 × 135,895.64
  4. Step 4: Simplify right side
    216,460.60x = 40,567,870,859.03
  5. Step 5: Solve for x
    x = 40,567,870,859.03/216,460.60
  6. Step 6: Final answer
    x = 187,414.57

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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.