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Finding the Fourth Proportional to 194,500.69, 291,751.08 and 61,391.32

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Solution

The fourth proportional to 194,500.69, 291,751.08 and 61,391.32 is: 92,086.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,500.69 : 291,751.08 = 61,391.32 : x
  2. Step 2: Convert to fraction form
    194,500.69/291,751.08 = 61,391.32/x
  3. Step 3: Cross multiply
    194,500.69x = 291,751.08 × 61,391.32
  4. Step 4: Simplify right side
    194,500.69x = 17,910,983,912.63
  5. Step 5: Solve for x
    x = 17,910,983,912.63/194,500.69
  6. Step 6: Final answer
    x = 92,086.99

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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.