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Finding the Fourth Proportional to 195,881.66, 293,724.06 and 90,774.44

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Solution

The fourth proportional to 195,881.66, 293,724.06 and 90,774.44 is: 136,116.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,881.66 : 293,724.06 = 90,774.44 : x
  2. Step 2: Convert to fraction form
    195,881.66/293,724.06 = 90,774.44/x
  3. Step 3: Cross multiply
    195,881.66x = 293,724.06 × 90,774.44
  4. Step 4: Simplify right side
    195,881.66x = 26,662,635,592.41
  5. Step 5: Solve for x
    x = 26,662,635,592.41/195,881.66
  6. Step 6: Final answer
    x = 136,116.04

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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.