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Finding the Fourth Proportional to 118,502.90, 177,728.31 and 34,244.74

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Solution

The fourth proportional to 118,502.90, 177,728.31 and 34,244.74 is: 51,359.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,502.90 : 177,728.31 = 34,244.74 : x
  2. Step 2: Convert to fraction form
    118,502.90/177,728.31 = 34,244.74/x
  3. Step 3: Cross multiply
    118,502.90x = 177,728.31 × 34,244.74
  4. Step 4: Simplify right side
    118,502.90x = 6,086,259,988.75
  5. Step 5: Solve for x
    x = 6,086,259,988.75/118,502.90
  6. Step 6: Final answer
    x = 51,359.59

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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.