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Finding the Fourth Proportional to 117,252.80, 175,836.12 and 40,293.98

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Solution

The fourth proportional to 117,252.80, 175,836.12 and 40,293.98 is: 60,426.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,252.80 : 175,836.12 = 40,293.98 : x
  2. Step 2: Convert to fraction form
    117,252.80/175,836.12 = 40,293.98/x
  3. Step 3: Cross multiply
    117,252.80x = 175,836.12 × 40,293.98
  4. Step 4: Simplify right side
    117,252.80x = 7,085,137,102.56
  5. Step 5: Solve for x
    x = 7,085,137,102.56/117,252.80
  6. Step 6: Final answer
    x = 60,426.17

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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.