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Finding the Fourth Proportional to 88,079, 132,118.50 and 25,749.50

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Solution

The fourth proportional to 88,079, 132,118.50 and 25,749.50 is: 38,624.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,079 : 132,118.50 = 25,749.50 : x
  2. Step 2: Convert to fraction form
    88,079/132,118.50 = 25,749.50/x
  3. Step 3: Cross multiply
    88,079x = 132,118.50 × 25,749.50
  4. Step 4: Simplify right side
    88,079x = 3,401,985,315.75
  5. Step 5: Solve for x
    x = 3,401,985,315.75/88,079
  6. Step 6: Final answer
    x = 38,624.25

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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.