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Finding the Fourth Proportional to 118,680.68, 177,824.38 and 83,448.20

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Solution

The fourth proportional to 118,680.68, 177,824.38 and 83,448.20 is: 125,034.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,680.68 : 177,824.38 = 83,448.20 : x
  2. Step 2: Convert to fraction form
    118,680.68/177,824.38 = 83,448.20/x
  3. Step 3: Cross multiply
    118,680.68x = 177,824.38 × 83,448.20
  4. Step 4: Simplify right side
    118,680.68x = 14,839,124,427.12
  5. Step 5: Solve for x
    x = 14,839,124,427.12/118,680.68
  6. Step 6: Final answer
    x = 125,034.04

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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.