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Finding the Fourth Proportional to 117,308.76, 175,936.19 and 69,937.26

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Solution

The fourth proportional to 117,308.76, 175,936.19 and 69,937.26 is: 104,889.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,308.76 : 175,936.19 = 69,937.26 : x
  2. Step 2: Convert to fraction form
    117,308.76/175,936.19 = 69,937.26/x
  3. Step 3: Cross multiply
    117,308.76x = 175,936.19 × 69,937.26
  4. Step 4: Simplify right side
    117,308.76x = 12,304,494,713.75
  5. Step 5: Solve for x
    x = 12,304,494,713.75/117,308.76
  6. Step 6: Final answer
    x = 104,889.82

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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.