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Finding the Fourth Proportional to 124,485.75, 186,737.13 and 35,732.43

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Solution

The fourth proportional to 124,485.75, 186,737.13 and 35,732.43 is: 53,601.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,485.75 : 186,737.13 = 35,732.43 : x
  2. Step 2: Convert to fraction form
    124,485.75/186,737.13 = 35,732.43/x
  3. Step 3: Cross multiply
    124,485.75x = 186,737.13 × 35,732.43
  4. Step 4: Simplify right side
    124,485.75x = 6,672,571,426.13
  5. Step 5: Solve for x
    x = 6,672,571,426.13/124,485.75
  6. Step 6: Final answer
    x = 53,601.09

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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.