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Finding the Fourth Proportional to 88,397.10, 132,597.09 and 83,911.05

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Solution

The fourth proportional to 88,397.10, 132,597.09 and 83,911.05 is: 125,867.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,397.10 : 132,597.09 = 83,911.05 : x
  2. Step 2: Convert to fraction form
    88,397.10/132,597.09 = 83,911.05/x
  3. Step 3: Cross multiply
    88,397.10x = 132,597.09 × 83,911.05
  4. Step 4: Simplify right side
    88,397.10x = 11,126,361,048.84
  5. Step 5: Solve for x
    x = 11,126,361,048.84/88,397.10
  6. Step 6: Final answer
    x = 125,867.94

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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.