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Finding the Fourth Proportional to 183,410.80, 275,116.20 and 130,266.70

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Solution

The fourth proportional to 183,410.80, 275,116.20 and 130,266.70 is: 195,400.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,410.80 : 275,116.20 = 130,266.70 : x
  2. Step 2: Convert to fraction form
    183,410.80/275,116.20 = 130,266.70/x
  3. Step 3: Cross multiply
    183,410.80x = 275,116.20 × 130,266.70
  4. Step 4: Simplify right side
    183,410.80x = 35,838,479,490.54
  5. Step 5: Solve for x
    x = 35,838,479,490.54/183,410.80
  6. Step 6: Final answer
    x = 195,400.05

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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.