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Finding the Fourth Proportional to 118,168.43, 177,263.66 and 47,073.84

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Solution

The fourth proportional to 118,168.43, 177,263.66 and 47,073.84 is: 70,615.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,168.43 : 177,263.66 = 47,073.84 : x
  2. Step 2: Convert to fraction form
    118,168.43/177,263.66 = 47,073.84/x
  3. Step 3: Cross multiply
    118,168.43x = 177,263.66 × 47,073.84
  4. Step 4: Simplify right side
    118,168.43x = 8,344,481,168.65
  5. Step 5: Solve for x
    x = 8,344,481,168.65/118,168.43
  6. Step 6: Final answer
    x = 70,615.15

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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.