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Finding the Fourth Proportional to 95,195.60, 142,746.75 and 39,020.43

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Solution

The fourth proportional to 95,195.60, 142,746.75 and 39,020.43 is: 58,511.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,195.60 : 142,746.75 = 39,020.43 : x
  2. Step 2: Convert to fraction form
    95,195.60/142,746.75 = 39,020.43/x
  3. Step 3: Cross multiply
    95,195.60x = 142,746.75 × 39,020.43
  4. Step 4: Simplify right side
    95,195.60x = 5,570,039,566.10
  5. Step 5: Solve for x
    x = 5,570,039,566.10/95,195.60
  6. Step 6: Final answer
    x = 58,511.52

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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.