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Finding the Fourth Proportional to 95,739.40, 143,609.10 and 43,251.40

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Solution

The fourth proportional to 95,739.40, 143,609.10 and 43,251.40 is: 64,877.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,739.40 : 143,609.10 = 43,251.40 : x
  2. Step 2: Convert to fraction form
    95,739.40/143,609.10 = 43,251.40/x
  3. Step 3: Cross multiply
    95,739.40x = 143,609.10 × 43,251.40
  4. Step 4: Simplify right side
    95,739.40x = 6,211,294,627.74
  5. Step 5: Solve for x
    x = 6,211,294,627.74/95,739.40
  6. Step 6: Final answer
    x = 64,877.10

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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.