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Finding the Fourth Proportional to 203,186.19, 304,793.90 and 70,064.53

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Solution

The fourth proportional to 203,186.19, 304,793.90 and 70,064.53 is: 105,101.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,186.19 : 304,793.90 = 70,064.53 : x
  2. Step 2: Convert to fraction form
    203,186.19/304,793.90 = 70,064.53/x
  3. Step 3: Cross multiply
    203,186.19x = 304,793.90 × 70,064.53
  4. Step 4: Simplify right side
    203,186.19x = 21,355,240,763.54
  5. Step 5: Solve for x
    x = 21,355,240,763.54/203,186.19
  6. Step 6: Final answer
    x = 105,101.83

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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.