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Finding the Fourth Proportional to 75,217.48, 103,800.18 and 41,683.48

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Solution

The fourth proportional to 75,217.48, 103,800.18 and 41,683.48 is: 57,523.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,217.48 : 103,800.18 = 41,683.48 : x
  2. Step 2: Convert to fraction form
    75,217.48/103,800.18 = 41,683.48/x
  3. Step 3: Cross multiply
    75,217.48x = 103,800.18 × 41,683.48
  4. Step 4: Simplify right side
    75,217.48x = 4,326,752,727.03
  5. Step 5: Solve for x
    x = 4,326,752,727.03/75,217.48
  6. Step 6: Final answer
    x = 57,523.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.