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Finding the Fourth Proportional to 113,293.95, 169,929.87 and 34,408.86

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Solution

The fourth proportional to 113,293.95, 169,929.87 and 34,408.86 is: 51,609.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,293.95 : 169,929.87 = 34,408.86 : x
  2. Step 2: Convert to fraction form
    113,293.95/169,929.87 = 34,408.86/x
  3. Step 3: Cross multiply
    113,293.95x = 169,929.87 × 34,408.86
  4. Step 4: Simplify right side
    113,293.95x = 5,847,093,106.65
  5. Step 5: Solve for x
    x = 5,847,093,106.65/113,293.95
  6. Step 6: Final answer
    x = 51,609.93

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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.