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Finding the Fourth Proportional to 92,223, 138,332.07 and 25,660.44

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Solution

The fourth proportional to 92,223, 138,332.07 and 25,660.44 is: 38,489.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,223 : 138,332.07 = 25,660.44 : x
  2. Step 2: Convert to fraction form
    92,223/138,332.07 = 25,660.44/x
  3. Step 3: Cross multiply
    92,223x = 138,332.07 × 25,660.44
  4. Step 4: Simplify right side
    92,223x = 3,549,661,782.31
  5. Step 5: Solve for x
    x = 3,549,661,782.31/92,223
  6. Step 6: Final answer
    x = 38,489.98

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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.