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Finding the Fourth Proportional to 183,064.80, 274,062.60 and 130,576.80

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Solution

The fourth proportional to 183,064.80, 274,062.60 and 130,576.80 is: 195,483.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,064.80 : 274,062.60 = 130,576.80 : x
  2. Step 2: Convert to fraction form
    183,064.80/274,062.60 = 130,576.80/x
  3. Step 3: Cross multiply
    183,064.80x = 274,062.60 × 130,576.80
  4. Step 4: Simplify right side
    183,064.80x = 35,786,217,307.68
  5. Step 5: Solve for x
    x = 35,786,217,307.68/183,064.80
  6. Step 6: Final answer
    x = 195,483.88

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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.