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Finding the Fourth Proportional to 88,570.80, 132,856.20 and 41,914.80

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Solution

The fourth proportional to 88,570.80, 132,856.20 and 41,914.80 is: 62,872.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,570.80 : 132,856.20 = 41,914.80 : x
  2. Step 2: Convert to fraction form
    88,570.80/132,856.20 = 41,914.80/x
  3. Step 3: Cross multiply
    88,570.80x = 132,856.20 × 41,914.80
  4. Step 4: Simplify right side
    88,570.80x = 5,568,641,051.76
  5. Step 5: Solve for x
    x = 5,568,641,051.76/88,570.80
  6. Step 6: Final answer
    x = 62,872.20

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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.