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Finding the Fourth Proportional to 75,329.98, 112,916.11 and 25,392.81

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Solution

The fourth proportional to 75,329.98, 112,916.11 and 25,392.81 is: 38,062.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,329.98 : 112,916.11 = 25,392.81 : x
  2. Step 2: Convert to fraction form
    75,329.98/112,916.11 = 25,392.81/x
  3. Step 3: Cross multiply
    75,329.98x = 112,916.11 × 25,392.81
  4. Step 4: Simplify right side
    75,329.98x = 2,867,257,327.17
  5. Step 5: Solve for x
    x = 2,867,257,327.17/75,329.98
  6. Step 6: Final answer
    x = 38,062.63

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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.