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Finding the Fourth Proportional to 193,314.20, 289,625.70 and 165,666.20

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Solution

The fourth proportional to 193,314.20, 289,625.70 and 165,666.20 is: 248,203.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,314.20 : 289,625.70 = 165,666.20 : x
  2. Step 2: Convert to fraction form
    193,314.20/289,625.70 = 165,666.20/x
  3. Step 3: Cross multiply
    193,314.20x = 289,625.70 × 165,666.20
  4. Step 4: Simplify right side
    193,314.20x = 47,981,189,141.34
  5. Step 5: Solve for x
    x = 47,981,189,141.34/193,314.20
  6. Step 6: Final answer
    x = 248,203.13

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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.