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Finding the Fourth Proportional to 165,879.20, 248,818.80 and 95,722.40

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Solution

The fourth proportional to 165,879.20, 248,818.80 and 95,722.40 is: 143,583.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,879.20 : 248,818.80 = 95,722.40 : x
  2. Step 2: Convert to fraction form
    165,879.20/248,818.80 = 95,722.40/x
  3. Step 3: Cross multiply
    165,879.20x = 248,818.80 × 95,722.40
  4. Step 4: Simplify right side
    165,879.20x = 23,817,532,701.12
  5. Step 5: Solve for x
    x = 23,817,532,701.12/165,879.20
  6. Step 6: Final answer
    x = 143,583.60

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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.