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Finding the Fourth Proportional to 125,300.70, 187,904.18 and 50,395.52

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Solution

The fourth proportional to 125,300.70, 187,904.18 and 50,395.52 is: 75,574.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,300.70 : 187,904.18 = 50,395.52 : x
  2. Step 2: Convert to fraction form
    125,300.70/187,904.18 = 50,395.52/x
  3. Step 3: Cross multiply
    125,300.70x = 187,904.18 × 50,395.52
  4. Step 4: Simplify right side
    125,300.70x = 9,469,528,861.27
  5. Step 5: Solve for x
    x = 9,469,528,861.27/125,300.70
  6. Step 6: Final answer
    x = 75,574.43

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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.