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Finding the Fourth Proportional to 194,619, 291,926.76 and 61,499.28

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Solution

The fourth proportional to 194,619, 291,926.76 and 61,499.28 is: 92,248.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,619 : 291,926.76 = 61,499.28 : x
  2. Step 2: Convert to fraction form
    194,619/291,926.76 = 61,499.28/x
  3. Step 3: Cross multiply
    194,619x = 291,926.76 × 61,499.28
  4. Step 4: Simplify right side
    194,619x = 17,953,285,552.73
  5. Step 5: Solve for x
    x = 17,953,285,552.73/194,619
  6. Step 6: Final answer
    x = 92,248.37

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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.