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Finding the Fourth Proportional to 203,231.80, 304,867.98 and 70,094.44

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Solution

The fourth proportional to 203,231.80, 304,867.98 and 70,094.44 is: 105,148.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,231.80 : 304,867.98 = 70,094.44 : x
  2. Step 2: Convert to fraction form
    203,231.80/304,867.98 = 70,094.44/x
  3. Step 3: Cross multiply
    203,231.80x = 304,867.98 × 70,094.44
  4. Step 4: Simplify right side
    203,231.80x = 21,369,550,332.03
  5. Step 5: Solve for x
    x = 21,369,550,332.03/203,231.80
  6. Step 6: Final answer
    x = 105,148.65

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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.