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Finding the Fourth Proportional to 112,377.81, 168,510.29 and 37,471.44

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Solution

The fourth proportional to 112,377.81, 168,510.29 and 37,471.44 is: 56,188.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,377.81 : 168,510.29 = 37,471.44 : x
  2. Step 2: Convert to fraction form
    112,377.81/168,510.29 = 37,471.44/x
  3. Step 3: Cross multiply
    112,377.81x = 168,510.29 × 37,471.44
  4. Step 4: Simplify right side
    112,377.81x = 6,314,323,033.76
  5. Step 5: Solve for x
    x = 6,314,323,033.76/112,377.81
  6. Step 6: Final answer
    x = 56,188.34

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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.