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Finding the Fourth Proportional to 76,161.60, 114,217.20 and 26,233.20

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Solution

The fourth proportional to 76,161.60, 114,217.20 and 26,233.20 is: 39,341.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,161.60 : 114,217.20 = 26,233.20 : x
  2. Step 2: Convert to fraction form
    76,161.60/114,217.20 = 26,233.20/x
  3. Step 3: Cross multiply
    76,161.60x = 114,217.20 × 26,233.20
  4. Step 4: Simplify right side
    76,161.60x = 2,996,282,651.04
  5. Step 5: Solve for x
    x = 2,996,282,651.04/76,161.60
  6. Step 6: Final answer
    x = 39,341.12

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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.