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Finding the Fourth Proportional to 75,114.92, 103,658.46 and 41,580.92

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Solution

The fourth proportional to 75,114.92, 103,658.46 and 41,580.92 is: 57,381.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,114.92 : 103,658.46 = 41,580.92 : x
  2. Step 2: Convert to fraction form
    75,114.92/103,658.46 = 41,580.92/x
  3. Step 3: Cross multiply
    75,114.92x = 103,658.46 × 41,580.92
  4. Step 4: Simplify right side
    75,114.92x = 4,310,214,132.58
  5. Step 5: Solve for x
    x = 4,310,214,132.58/75,114.92
  6. Step 6: Final answer
    x = 57,381.60

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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.