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Finding the Fourth Proportional to 250,235.72, 375,301.74 and 92,356.28

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Solution

The fourth proportional to 250,235.72, 375,301.74 and 92,356.28 is: 138,515.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,235.72 : 375,301.74 = 92,356.28 : x
  2. Step 2: Convert to fraction form
    250,235.72/375,301.74 = 92,356.28/x
  3. Step 3: Cross multiply
    250,235.72x = 375,301.74 × 92,356.28
  4. Step 4: Simplify right side
    250,235.72x = 34,661,472,583.93
  5. Step 5: Solve for x
    x = 34,661,472,583.93/250,235.72
  6. Step 6: Final answer
    x = 138,515.29

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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.