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Finding the Fourth Proportional to 194,374.35, 291,601.08 and 74,422.80

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Solution

The fourth proportional to 194,374.35, 291,601.08 and 74,422.80 is: 111,649.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,374.35 : 291,601.08 = 74,422.80 : x
  2. Step 2: Convert to fraction form
    194,374.35/291,601.08 = 74,422.80/x
  3. Step 3: Cross multiply
    194,374.35x = 291,601.08 × 74,422.80
  4. Step 4: Simplify right side
    194,374.35x = 21,701,768,856.62
  5. Step 5: Solve for x
    x = 21,701,768,856.62/194,374.35
  6. Step 6: Final answer
    x = 111,649.34

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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.