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Finding the Fourth Proportional to 177,308.40, 244,652.12 and 105,695.10

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Solution

The fourth proportional to 177,308.40, 244,652.12 and 105,695.10 is: 145,839.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,308.40 : 244,652.12 = 105,695.10 : x
  2. Step 2: Convert to fraction form
    177,308.40/244,652.12 = 105,695.10/x
  3. Step 3: Cross multiply
    177,308.40x = 244,652.12 × 105,695.10
  4. Step 4: Simplify right side
    177,308.40x = 25,858,530,288.61
  5. Step 5: Solve for x
    x = 25,858,530,288.61/177,308.40
  6. Step 6: Final answer
    x = 145,839.29

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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.