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Finding the Fourth Proportional to 188,122.01, 282,275.26 and 88,290.31

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Solution

The fourth proportional to 188,122.01, 282,275.26 and 88,290.31 is: 132,478.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,122.01 : 282,275.26 = 88,290.31 : x
  2. Step 2: Convert to fraction form
    188,122.01/282,275.26 = 88,290.31/x
  3. Step 3: Cross multiply
    188,122.01x = 282,275.26 × 88,290.31
  4. Step 4: Simplify right side
    188,122.01x = 24,922,169,769.28
  5. Step 5: Solve for x
    x = 24,922,169,769.28/188,122.01
  6. Step 6: Final answer
    x = 132,478.76

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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.