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Finding the Fourth Proportional to 226,779.60, 340,023.60 and 93,712.80

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Solution

The fourth proportional to 226,779.60, 340,023.60 and 93,712.80 is: 140,508.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,779.60 : 340,023.60 = 93,712.80 : x
  2. Step 2: Convert to fraction form
    226,779.60/340,023.60 = 93,712.80/x
  3. Step 3: Cross multiply
    226,779.60x = 340,023.60 × 93,712.80
  4. Step 4: Simplify right side
    226,779.60x = 31,864,563,622.08
  5. Step 5: Solve for x
    x = 31,864,563,622.08/226,779.60
  6. Step 6: Final answer
    x = 140,508.95

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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.