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Finding the Fourth Proportional to 75,339.96, 113,010.48 and 34,809.72

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Solution

The fourth proportional to 75,339.96, 113,010.48 and 34,809.72 is: 52,214.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,339.96 : 113,010.48 = 34,809.72 : x
  2. Step 2: Convert to fraction form
    75,339.96/113,010.48 = 34,809.72/x
  3. Step 3: Cross multiply
    75,339.96x = 113,010.48 × 34,809.72
  4. Step 4: Simplify right side
    75,339.96x = 3,933,863,165.87
  5. Step 5: Solve for x
    x = 3,933,863,165.87/75,339.96
  6. Step 6: Final answer
    x = 52,214.83

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1.5x scale

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.