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Finding the Fourth Proportional to 75,551.60, 113,414.70 and 40,559.60

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Solution

The fourth proportional to 75,551.60, 113,414.70 and 40,559.60 is: 60,886.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,551.60 : 113,414.70 = 40,559.60 : x
  2. Step 2: Convert to fraction form
    75,551.60/113,414.70 = 40,559.60/x
  3. Step 3: Cross multiply
    75,551.60x = 113,414.70 × 40,559.60
  4. Step 4: Simplify right side
    75,551.60x = 4,600,054,866.12
  5. Step 5: Solve for x
    x = 4,600,054,866.12/75,551.60
  6. Step 6: Final answer
    x = 60,886.27

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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.