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Finding the Fourth Proportional to 91,885.85, 137,833.49 and 25,324.51

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Solution

The fourth proportional to 91,885.85, 137,833.49 and 25,324.51 is: 37,988.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,885.85 : 137,833.49 = 25,324.51 : x
  2. Step 2: Convert to fraction form
    91,885.85/137,833.49 = 25,324.51/x
  3. Step 3: Cross multiply
    91,885.85x = 137,833.49 × 25,324.51
  4. Step 4: Simplify right side
    91,885.85x = 3,490,565,595.84
  5. Step 5: Solve for x
    x = 3,490,565,595.84/91,885.85
  6. Step 6: Final answer
    x = 37,988.06

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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.