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Finding the Fourth Proportional to 183,062.80, 274,059.60 and 130,574.80

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Solution

The fourth proportional to 183,062.80, 274,059.60 and 130,574.80 is: 195,480.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,062.80 : 274,059.60 = 130,574.80 : x
  2. Step 2: Convert to fraction form
    183,062.80/274,059.60 = 130,574.80/x
  3. Step 3: Cross multiply
    183,062.80x = 274,059.60 × 130,574.80
  4. Step 4: Simplify right side
    183,062.80x = 35,785,277,458.08
  5. Step 5: Solve for x
    x = 35,785,277,458.08/183,062.80
  6. Step 6: Final answer
    x = 195,480.88

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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.