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Finding the Fourth Proportional to 118,593.16, 177,604.70 and 67,838.31

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Solution

The fourth proportional to 118,593.16, 177,604.70 and 67,838.31 is: 101,594.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,593.16 : 177,604.70 = 67,838.31 : x
  2. Step 2: Convert to fraction form
    118,593.16/177,604.70 = 67,838.31/x
  3. Step 3: Cross multiply
    118,593.16x = 177,604.70 × 67,838.31
  4. Step 4: Simplify right side
    118,593.16x = 12,048,402,738.46
  5. Step 5: Solve for x
    x = 12,048,402,738.46/118,593.16
  6. Step 6: Final answer
    x = 101,594.41

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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.