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Finding the Fourth Proportional to 203,040.48, 303,898.32 and 183,640.80

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Solution

The fourth proportional to 203,040.48, 303,898.32 and 183,640.80 is: 274,862.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,040.48 : 303,898.32 = 183,640.80 : x
  2. Step 2: Convert to fraction form
    203,040.48/303,898.32 = 183,640.80/x
  3. Step 3: Cross multiply
    203,040.48x = 303,898.32 × 183,640.80
  4. Step 4: Simplify right side
    203,040.48x = 55,808,130,603.46
  5. Step 5: Solve for x
    x = 55,808,130,603.46/203,040.48
  6. Step 6: Final answer
    x = 274,862.09

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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.