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Finding the Fourth Proportional to 95,042.40, 142,466.40 and 55,579.20

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Solution

The fourth proportional to 95,042.40, 142,466.40 and 55,579.20 is: 83,311.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,042.40 : 142,466.40 = 55,579.20 : x
  2. Step 2: Convert to fraction form
    95,042.40/142,466.40 = 55,579.20/x
  3. Step 3: Cross multiply
    95,042.40x = 142,466.40 × 55,579.20
  4. Step 4: Simplify right side
    95,042.40x = 7,918,168,538.88
  5. Step 5: Solve for x
    x = 7,918,168,538.88/95,042.40
  6. Step 6: Final answer
    x = 83,311.96

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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.