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Finding the Fourth Proportional to 194,697, 292,097.34 and 61,579.68

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Solution

The fourth proportional to 194,697, 292,097.34 and 61,579.68 is: 92,385.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,697 : 292,097.34 = 61,579.68 : x
  2. Step 2: Convert to fraction form
    194,697/292,097.34 = 61,579.68/x
  3. Step 3: Cross multiply
    194,697x = 292,097.34 × 61,579.68
  4. Step 4: Simplify right side
    194,697x = 17,987,260,726.05
  5. Step 5: Solve for x
    x = 17,987,260,726.05/194,697
  6. Step 6: Final answer
    x = 92,385.92

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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.