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Finding the Fourth Proportional to 112,798.29, 169,191.21 and 37,910.71

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Solution

The fourth proportional to 112,798.29, 169,191.21 and 37,910.71 is: 56,863.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,798.29 : 169,191.21 = 37,910.71 : x
  2. Step 2: Convert to fraction form
    112,798.29/169,191.21 = 37,910.71/x
  3. Step 3: Cross multiply
    112,798.29x = 169,191.21 × 37,910.71
  4. Step 4: Simplify right side
    112,798.29x = 6,414,158,298.81
  5. Step 5: Solve for x
    x = 6,414,158,298.81/112,798.29
  6. Step 6: Final answer
    x = 56,863.97

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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.