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Finding the Fourth Proportional to 194,069.97, 291,102.53 and 67,709.97

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Solution

The fourth proportional to 194,069.97, 291,102.53 and 67,709.97 is: 101,564.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,069.97 : 291,102.53 = 67,709.97 : x
  2. Step 2: Convert to fraction form
    194,069.97/291,102.53 = 67,709.97/x
  3. Step 3: Cross multiply
    194,069.97x = 291,102.53 × 67,709.97
  4. Step 4: Simplify right side
    194,069.97x = 19,710,543,234.67
  5. Step 5: Solve for x
    x = 19,710,543,234.67/194,069.97
  6. Step 6: Final answer
    x = 101,564.11

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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.