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Finding the Fourth Proportional to 226,779.20, 340,168.80 and 93,615.20

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Solution

The fourth proportional to 226,779.20, 340,168.80 and 93,615.20 is: 140,422.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,779.20 : 340,168.80 = 93,615.20 : x
  2. Step 2: Convert to fraction form
    226,779.20/340,168.80 = 93,615.20/x
  3. Step 3: Cross multiply
    226,779.20x = 340,168.80 × 93,615.20
  4. Step 4: Simplify right side
    226,779.20x = 31,844,970,245.76
  5. Step 5: Solve for x
    x = 31,844,970,245.76/226,779.20
  6. Step 6: Final answer
    x = 140,422.80

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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.