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Finding the Fourth Proportional to 95,116.54, 142,685.75 and 55,674

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Solution

The fourth proportional to 95,116.54, 142,685.75 and 55,674 is: 83,517.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,116.54 : 142,685.75 = 55,674 : x
  2. Step 2: Convert to fraction form
    95,116.54/142,685.75 = 55,674/x
  3. Step 3: Cross multiply
    95,116.54x = 142,685.75 × 55,674
  4. Step 4: Simplify right side
    95,116.54x = 7,943,886,445.50
  5. Step 5: Solve for x
    x = 7,943,886,445.50/95,116.54
  6. Step 6: Final answer
    x = 83,517.40

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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.