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Finding the Fourth Proportional to 74,858.59, 112,250.21 and 24,920.87

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Solution

The fourth proportional to 74,858.59, 112,250.21 and 24,920.87 is: 37,368.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,858.59 : 112,250.21 = 24,920.87 : x
  2. Step 2: Convert to fraction form
    74,858.59/112,250.21 = 24,920.87/x
  3. Step 3: Cross multiply
    74,858.59x = 112,250.21 × 24,920.87
  4. Step 4: Simplify right side
    74,858.59x = 2,797,372,890.88
  5. Step 5: Solve for x
    x = 2,797,372,890.88/74,858.59
  6. Step 6: Final answer
    x = 37,368.77

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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.