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Finding the Fourth Proportional to 148,569.80, 222,756.30 and 82,041.80

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Solution

The fourth proportional to 148,569.80, 222,756.30 and 82,041.80 is: 123,008.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,569.80 : 222,756.30 = 82,041.80 : x
  2. Step 2: Convert to fraction form
    148,569.80/222,756.30 = 82,041.80/x
  3. Step 3: Cross multiply
    148,569.80x = 222,756.30 × 82,041.80
  4. Step 4: Simplify right side
    148,569.80x = 18,275,327,813.34
  5. Step 5: Solve for x
    x = 18,275,327,813.34/148,569.80
  6. Step 6: Final answer
    x = 123,008.36

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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.