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Finding the Fourth Proportional to 88,014.30, 132,021.45 and 54,836.70

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Solution

The fourth proportional to 88,014.30, 132,021.45 and 54,836.70 is: 82,255.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,014.30 : 132,021.45 = 54,836.70 : x
  2. Step 2: Convert to fraction form
    88,014.30/132,021.45 = 54,836.70/x
  3. Step 3: Cross multiply
    88,014.30x = 132,021.45 × 54,836.70
  4. Step 4: Simplify right side
    88,014.30x = 7,239,620,647.22
  5. Step 5: Solve for x
    x = 7,239,620,647.22/88,014.30
  6. Step 6: Final answer
    x = 82,255.05

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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.