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Finding the Fourth Proportional to 177,737.78, 245,419.53 and 109,853.30

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Solution

The fourth proportional to 177,737.78, 245,419.53 and 109,853.30 is: 151,684.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,737.78 : 245,419.53 = 109,853.30 : x
  2. Step 2: Convert to fraction form
    177,737.78/245,419.53 = 109,853.30/x
  3. Step 3: Cross multiply
    177,737.78x = 245,419.53 × 109,853.30
  4. Step 4: Simplify right side
    177,737.78x = 26,960,145,254.95
  5. Step 5: Solve for x
    x = 26,960,145,254.95/177,737.78
  6. Step 6: Final answer
    x = 151,684.94

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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.