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Finding the Fourth Proportional to 194,620, 291,928.26 and 61,500.28

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Solution

The fourth proportional to 194,620, 291,928.26 and 61,500.28 is: 92,249.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,620 : 291,928.26 = 61,500.28 : x
  2. Step 2: Convert to fraction form
    194,620/291,928.26 = 61,500.28/x
  3. Step 3: Cross multiply
    194,620x = 291,928.26 × 61,500.28
  4. Step 4: Simplify right side
    194,620x = 17,953,669,729.91
  5. Step 5: Solve for x
    x = 17,953,669,729.91/194,620
  6. Step 6: Final answer
    x = 92,249.87

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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.