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Finding the Fourth Proportional to 154,467.30, 231,700.95 and 92,259.30

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Solution

The fourth proportional to 154,467.30, 231,700.95 and 92,259.30 is: 138,388.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,467.30 : 231,700.95 = 92,259.30 : x
  2. Step 2: Convert to fraction form
    154,467.30/231,700.95 = 92,259.30/x
  3. Step 3: Cross multiply
    154,467.30x = 231,700.95 × 92,259.30
  4. Step 4: Simplify right side
    154,467.30x = 21,376,567,456.34
  5. Step 5: Solve for x
    x = 21,376,567,456.34/154,467.30
  6. Step 6: Final answer
    x = 138,388.95

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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.