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Finding the Fourth Proportional to 75,034.60, 112,515.45 and 41,719.30

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Solution

The fourth proportional to 75,034.60, 112,515.45 and 41,719.30 is: 62,558.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,034.60 : 112,515.45 = 41,719.30 : x
  2. Step 2: Convert to fraction form
    75,034.60/112,515.45 = 41,719.30/x
  3. Step 3: Cross multiply
    75,034.60x = 112,515.45 × 41,719.30
  4. Step 4: Simplify right side
    75,034.60x = 4,694,065,813.19
  5. Step 5: Solve for x
    x = 4,694,065,813.19/75,034.60
  6. Step 6: Final answer
    x = 62,558.68

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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.