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Finding the Fourth Proportional to 112,600.71, 168,876.45 and 37,731.48

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Solution

The fourth proportional to 112,600.71, 168,876.45 and 37,731.48 is: 56,588.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,600.71 : 168,876.45 = 37,731.48 : x
  2. Step 2: Convert to fraction form
    112,600.71/168,876.45 = 37,731.48/x
  3. Step 3: Cross multiply
    112,600.71x = 168,876.45 × 37,731.48
  4. Step 4: Simplify right side
    112,600.71x = 6,371,958,395.65
  5. Step 5: Solve for x
    x = 6,371,958,395.65/112,600.71
  6. Step 6: Final answer
    x = 56,588.97

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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.