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Finding the Fourth Proportional to 113,662.35, 170,339.22 and 60,340.86

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Solution

The fourth proportional to 113,662.35, 170,339.22 and 60,340.86 is: 90,429.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,662.35 : 170,339.22 = 60,340.86 : x
  2. Step 2: Convert to fraction form
    113,662.35/170,339.22 = 60,340.86/x
  3. Step 3: Cross multiply
    113,662.35x = 170,339.22 × 60,340.86
  4. Step 4: Simplify right side
    113,662.35x = 10,278,415,026.53
  5. Step 5: Solve for x
    x = 10,278,415,026.53/113,662.35
  6. Step 6: Final answer
    x = 90,429.37

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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.