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Finding the Fourth Proportional to 113,498.60, 170,247.90 and 34,612.70

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Solution

The fourth proportional to 113,498.60, 170,247.90 and 34,612.70 is: 51,919.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,498.60 : 170,247.90 = 34,612.70 : x
  2. Step 2: Convert to fraction form
    113,498.60/170,247.90 = 34,612.70/x
  3. Step 3: Cross multiply
    113,498.60x = 170,247.90 × 34,612.70
  4. Step 4: Simplify right side
    113,498.60x = 5,892,739,488.33
  5. Step 5: Solve for x
    x = 5,892,739,488.33/113,498.60
  6. Step 6: Final answer
    x = 51,919.05

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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.