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Finding the Fourth Proportional to 226,647.60, 340,003.80 and 76,894.80

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Solution

The fourth proportional to 226,647.60, 340,003.80 and 76,894.80 is: 115,353.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,647.60 : 340,003.80 = 76,894.80 : x
  2. Step 2: Convert to fraction form
    226,647.60/340,003.80 = 76,894.80/x
  3. Step 3: Cross multiply
    226,647.60x = 340,003.80 × 76,894.80
  4. Step 4: Simplify right side
    226,647.60x = 26,144,524,200.24
  5. Step 5: Solve for x
    x = 26,144,524,200.24/226,647.60
  6. Step 6: Final answer
    x = 115,353.19

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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.