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Finding the Fourth Proportional to 203,157.62, 304,677.65 and 60,997.15

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Solution

The fourth proportional to 203,157.62, 304,677.65 and 60,997.15 is: 91,478.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,157.62 : 304,677.65 = 60,997.15 : x
  2. Step 2: Convert to fraction form
    203,157.62/304,677.65 = 60,997.15/x
  3. Step 3: Cross multiply
    203,157.62x = 304,677.65 × 60,997.15
  4. Step 4: Simplify right side
    203,157.62x = 18,584,468,852.04
  5. Step 5: Solve for x
    x = 18,584,468,852.04/203,157.62
  6. Step 6: Final answer
    x = 91,478.08

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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.