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Finding the Fourth Proportional to 88,081, 132,121.50 and 25,751.50

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Solution

The fourth proportional to 88,081, 132,121.50 and 25,751.50 is: 38,627.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,081 : 132,121.50 = 25,751.50 : x
  2. Step 2: Convert to fraction form
    88,081/132,121.50 = 25,751.50/x
  3. Step 3: Cross multiply
    88,081x = 132,121.50 × 25,751.50
  4. Step 4: Simplify right side
    88,081x = 3,402,326,807.25
  5. Step 5: Solve for x
    x = 3,402,326,807.25/88,081
  6. Step 6: Final answer
    x = 38,627.25

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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.