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Finding the Fourth Proportional to 203,093.48, 304,640.70 and 55,349.48

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Solution

The fourth proportional to 203,093.48, 304,640.70 and 55,349.48 is: 83,024.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,093.48 : 304,640.70 = 55,349.48 : x
  2. Step 2: Convert to fraction form
    203,093.48/304,640.70 = 55,349.48/x
  3. Step 3: Cross multiply
    203,093.48x = 304,640.70 × 55,349.48
  4. Step 4: Simplify right side
    203,093.48x = 16,861,704,331.84
  5. Step 5: Solve for x
    x = 16,861,704,331.84/203,093.48
  6. Step 6: Final answer
    x = 83,024.35

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1.5x scale

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.