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Finding the Fourth Proportional to 114,671.80, 171,940.38 and 34,685.70

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Solution

The fourth proportional to 114,671.80, 171,940.38 and 34,685.70 is: 52,008.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,671.80 : 171,940.38 = 34,685.70 : x
  2. Step 2: Convert to fraction form
    114,671.80/171,940.38 = 34,685.70/x
  3. Step 3: Cross multiply
    114,671.80x = 171,940.38 × 34,685.70
  4. Step 4: Simplify right side
    114,671.80x = 5,963,872,438.57
  5. Step 5: Solve for x
    x = 5,963,872,438.57/114,671.80
  6. Step 6: Final answer
    x = 52,008.19

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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.