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Finding the Fourth Proportional to 193,364.88, 290,055.18 and 92,110.88

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Solution

The fourth proportional to 193,364.88, 290,055.18 and 92,110.88 is: 138,170.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,364.88 : 290,055.18 = 92,110.88 : x
  2. Step 2: Convert to fraction form
    193,364.88/290,055.18 = 92,110.88/x
  3. Step 3: Cross multiply
    193,364.88x = 290,055.18 × 92,110.88
  4. Step 4: Simplify right side
    193,364.88x = 26,717,235,967.53
  5. Step 5: Solve for x
    x = 26,717,235,967.53/193,364.88
  6. Step 6: Final answer
    x = 138,170.05

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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.