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Finding the Fourth Proportional to 188,739.72, 282,701.22 and 88,750.08

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Solution

The fourth proportional to 188,739.72, 282,701.22 and 88,750.08 is: 132,933.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,739.72 : 282,701.22 = 88,750.08 : x
  2. Step 2: Convert to fraction form
    188,739.72/282,701.22 = 88,750.08/x
  3. Step 3: Cross multiply
    188,739.72x = 282,701.22 × 88,750.08
  4. Step 4: Simplify right side
    188,739.72x = 25,089,755,891.10
  5. Step 5: Solve for x
    x = 25,089,755,891.10/188,739.72
  6. Step 6: Final answer
    x = 132,933.10

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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.