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Finding the Fourth Proportional to 88,630.88, 132,971.44 and 36,078.08

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Solution

The fourth proportional to 88,630.88, 132,971.44 and 36,078.08 is: 54,127.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,630.88 : 132,971.44 = 36,078.08 : x
  2. Step 2: Convert to fraction form
    88,630.88/132,971.44 = 36,078.08/x
  3. Step 3: Cross multiply
    88,630.88x = 132,971.44 × 36,078.08
  4. Step 4: Simplify right side
    88,630.88x = 4,797,354,250.04
  5. Step 5: Solve for x
    x = 4,797,354,250.04/88,630.88
  6. Step 6: Final answer
    x = 54,127.35

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1.5x scale

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.