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Finding the Fourth Proportional to 194,499.70, 291,749.55 and 115,573.30

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Solution

The fourth proportional to 194,499.70, 291,749.55 and 115,573.30 is: 173,359.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,499.70 : 291,749.55 = 115,573.30 : x
  2. Step 2: Convert to fraction form
    194,499.70/291,749.55 = 115,573.30/x
  3. Step 3: Cross multiply
    194,499.70x = 291,749.55 × 115,573.30
  4. Step 4: Simplify right side
    194,499.70x = 33,718,458,267.02
  5. Step 5: Solve for x
    x = 33,718,458,267.02/194,499.70
  6. Step 6: Final answer
    x = 173,359.95

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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.