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Finding the Fourth Proportional to 59,426.88, 89,196 and 31,367.76

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Solution

The fourth proportional to 59,426.88, 89,196 and 31,367.76 is: 47,081.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,426.88 : 89,196 = 31,367.76 : x
  2. Step 2: Convert to fraction form
    59,426.88/89,196 = 31,367.76/x
  3. Step 3: Cross multiply
    59,426.88x = 89,196 × 31,367.76
  4. Step 4: Simplify right side
    59,426.88x = 2,797,878,720.96
  5. Step 5: Solve for x
    x = 2,797,878,720.96/59,426.88
  6. Step 6: Final answer
    x = 47,081.03

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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.