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Finding the Fourth Proportional to 91,862.50, 137,793.75 and 25,303.29

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Solution

The fourth proportional to 91,862.50, 137,793.75 and 25,303.29 is: 37,954.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,862.50 : 137,793.75 = 25,303.29 : x
  2. Step 2: Convert to fraction form
    91,862.50/137,793.75 = 25,303.29/x
  3. Step 3: Cross multiply
    91,862.50x = 137,793.75 × 25,303.29
  4. Step 4: Simplify right side
    91,862.50x = 3,486,635,121.55
  5. Step 5: Solve for x
    x = 3,486,635,121.55/91,862.50
  6. Step 6: Final answer
    x = 37,954.94

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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.