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Finding the Fourth Proportional to 75,097.60, 103,630.44 and 41,099.68

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Solution

The fourth proportional to 75,097.60, 103,630.44 and 41,099.68 is: 56,715.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,097.60 : 103,630.44 = 41,099.68 : x
  2. Step 2: Convert to fraction form
    75,097.60/103,630.44 = 41,099.68/x
  3. Step 3: Cross multiply
    75,097.60x = 103,630.44 × 41,099.68
  4. Step 4: Simplify right side
    75,097.60x = 4,259,177,922.26
  5. Step 5: Solve for x
    x = 4,259,177,922.26/75,097.60
  6. Step 6: Final answer
    x = 56,715.23

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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.