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Finding the Fourth Proportional to 95,316.54, 131,543.05 and 55,032

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Solution

The fourth proportional to 95,316.54, 131,543.05 and 55,032 is: 75,947.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,316.54 : 131,543.05 = 55,032 : x
  2. Step 2: Convert to fraction form
    95,316.54/131,543.05 = 55,032/x
  3. Step 3: Cross multiply
    95,316.54x = 131,543.05 × 55,032
  4. Step 4: Simplify right side
    95,316.54x = 7,239,077,127.60
  5. Step 5: Solve for x
    x = 7,239,077,127.60/95,316.54
  6. Step 6: Final answer
    x = 75,947.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.