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Finding the Fourth Proportional to 77,440.76, 116,137.90 and 27,514.28

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Solution

The fourth proportional to 77,440.76, 116,137.90 and 27,514.28 is: 41,263.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,440.76 : 116,137.90 = 27,514.28 : x
  2. Step 2: Convert to fraction form
    77,440.76/116,137.90 = 27,514.28/x
  3. Step 3: Cross multiply
    77,440.76x = 116,137.90 × 27,514.28
  4. Step 4: Simplify right side
    77,440.76x = 3,195,451,023.95
  5. Step 5: Solve for x
    x = 3,195,451,023.95/77,440.76
  6. Step 6: Final answer
    x = 41,263.17

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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.