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Finding the Fourth Proportional to 177,651.01, 245,207.82 and 109,679.05

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Solution

The fourth proportional to 177,651.01, 245,207.82 and 109,679.05 is: 151,387.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,651.01 : 245,207.82 = 109,679.05 : x
  2. Step 2: Convert to fraction form
    177,651.01/245,207.82 = 109,679.05/x
  3. Step 3: Cross multiply
    177,651.01x = 245,207.82 × 109,679.05
  4. Step 4: Simplify right side
    177,651.01x = 26,894,160,750.17
  5. Step 5: Solve for x
    x = 26,894,160,750.17/177,651.01
  6. Step 6: Final answer
    x = 151,387.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.