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Finding the Fourth Proportional to 118,605.94, 177,881.10 and 34,343.56

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Solution

The fourth proportional to 118,605.94, 177,881.10 and 34,343.56 is: 51,507.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,605.94 : 177,881.10 = 34,343.56 : x
  2. Step 2: Convert to fraction form
    118,605.94/177,881.10 = 34,343.56/x
  3. Step 3: Cross multiply
    118,605.94x = 177,881.10 × 34,343.56
  4. Step 4: Simplify right side
    118,605.94x = 6,109,070,230.72
  5. Step 5: Solve for x
    x = 6,109,070,230.72/118,605.94
  6. Step 6: Final answer
    x = 51,507.29

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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.