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Finding the Fourth Proportional to 91,794.90, 137,695.74 and 25,240.26

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Solution

The fourth proportional to 91,794.90, 137,695.74 and 25,240.26 is: 37,861.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,794.90 : 137,695.74 = 25,240.26 : x
  2. Step 2: Convert to fraction form
    91,794.90/137,695.74 = 25,240.26/x
  3. Step 3: Cross multiply
    91,794.90x = 137,695.74 × 25,240.26
  4. Step 4: Simplify right side
    91,794.90x = 3,475,476,278.49
  5. Step 5: Solve for x
    x = 3,475,476,278.49/91,794.90
  6. Step 6: Final answer
    x = 37,861.32

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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.