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Finding the Fourth Proportional to 71,182.80, 106,701.30 and 41,585.40

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Solution

The fourth proportional to 71,182.80, 106,701.30 and 41,585.40 is: 62,335.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,182.80 : 106,701.30 = 41,585.40 : x
  2. Step 2: Convert to fraction form
    71,182.80/106,701.30 = 41,585.40/x
  3. Step 3: Cross multiply
    71,182.80x = 106,701.30 × 41,585.40
  4. Step 4: Simplify right side
    71,182.80x = 4,437,216,241.02
  5. Step 5: Solve for x
    x = 4,437,216,241.02/71,182.80
  6. Step 6: Final answer
    x = 62,335.51

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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.