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Finding the Fourth Proportional to 118,309.62, 177,489.95 and 34,069.22

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Solution

The fourth proportional to 118,309.62, 177,489.95 and 34,069.22 is: 51,111.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,309.62 : 177,489.95 = 34,069.22 : x
  2. Step 2: Convert to fraction form
    118,309.62/177,489.95 = 34,069.22/x
  3. Step 3: Cross multiply
    118,309.62x = 177,489.95 × 34,069.22
  4. Step 4: Simplify right side
    118,309.62x = 6,046,943,096.54
  5. Step 5: Solve for x
    x = 6,046,943,096.54/118,309.62
  6. Step 6: Final answer
    x = 51,111.17

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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.