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Finding the Fourth Proportional to 88,110.10, 132,165.15 and 28,947.70

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Solution

The fourth proportional to 88,110.10, 132,165.15 and 28,947.70 is: 43,421.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,110.10 : 132,165.15 = 28,947.70 : x
  2. Step 2: Convert to fraction form
    88,110.10/132,165.15 = 28,947.70/x
  3. Step 3: Cross multiply
    88,110.10x = 132,165.15 × 28,947.70
  4. Step 4: Simplify right side
    88,110.10x = 3,825,877,112.66
  5. Step 5: Solve for x
    x = 3,825,877,112.66/88,110.10
  6. Step 6: Final answer
    x = 43,421.55

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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.