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Finding the Fourth Proportional to 183,133.20, 274,615.20 and 83,289.36

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Solution

The fourth proportional to 183,133.20, 274,615.20 and 83,289.36 is: 124,895.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,133.20 : 274,615.20 = 83,289.36 : x
  2. Step 2: Convert to fraction form
    183,133.20/274,615.20 = 83,289.36/x
  3. Step 3: Cross multiply
    183,133.20x = 274,615.20 × 83,289.36
  4. Step 4: Simplify right side
    183,133.20x = 22,872,524,254.27
  5. Step 5: Solve for x
    x = 22,872,524,254.27/183,133.20
  6. Step 6: Final answer
    x = 124,895.56

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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.