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Finding the Fourth Proportional to 226,763.60, 340,145.40 and 127,230.80

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Solution

The fourth proportional to 226,763.60, 340,145.40 and 127,230.80 is: 190,846.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,763.60 : 340,145.40 = 127,230.80 : x
  2. Step 2: Convert to fraction form
    226,763.60/340,145.40 = 127,230.80/x
  3. Step 3: Cross multiply
    226,763.60x = 340,145.40 × 127,230.80
  4. Step 4: Simplify right side
    226,763.60x = 43,276,971,358.32
  5. Step 5: Solve for x
    x = 43,276,971,358.32/226,763.60
  6. Step 6: Final answer
    x = 190,846.20

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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.