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Finding the Fourth Proportional to 112,800.70, 169,194.82 and 37,913.12

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Solution

The fourth proportional to 112,800.70, 169,194.82 and 37,913.12 is: 56,867.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,800.70 : 169,194.82 = 37,913.12 : x
  2. Step 2: Convert to fraction form
    112,800.70/169,194.82 = 37,913.12/x
  3. Step 3: Cross multiply
    112,800.70x = 169,194.82 × 37,913.12
  4. Step 4: Simplify right side
    112,800.70x = 6,414,703,514.04
  5. Step 5: Solve for x
    x = 6,414,703,514.04/112,800.70
  6. Step 6: Final answer
    x = 56,867.59

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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.