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Finding the Fourth Proportional to 91,762.25, 137,616.93 and 25,204.55

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Solution

The fourth proportional to 91,762.25, 137,616.93 and 25,204.55 is: 37,799.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,762.25 : 137,616.93 = 25,204.55 : x
  2. Step 2: Convert to fraction form
    91,762.25/137,616.93 = 25,204.55/x
  3. Step 3: Cross multiply
    91,762.25x = 137,616.93 × 25,204.55
  4. Step 4: Simplify right side
    91,762.25x = 3,468,572,793.03
  5. Step 5: Solve for x
    x = 3,468,572,793.03/91,762.25
  6. Step 6: Final answer
    x = 37,799.56

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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.