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Finding the Fourth Proportional to 95,443.20, 143,310.60 and 73,281.60

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Solution

The fourth proportional to 95,443.20, 143,310.60 and 73,281.60 is: 110,034.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,443.20 : 143,310.60 = 73,281.60 : x
  2. Step 2: Convert to fraction form
    95,443.20/143,310.60 = 73,281.60/x
  3. Step 3: Cross multiply
    95,443.20x = 143,310.60 × 73,281.60
  4. Step 4: Simplify right side
    95,443.20x = 10,502,030,064.96
  5. Step 5: Solve for x
    x = 10,502,030,064.96/95,443.20
  6. Step 6: Final answer
    x = 110,034.35

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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.