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Finding the Fourth Proportional to 199,351, 275,108.88 and 113,296.42

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Solution

The fourth proportional to 199,351, 275,108.88 and 113,296.42 is: 156,351.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,351 : 275,108.88 = 113,296.42 : x
  2. Step 2: Convert to fraction form
    199,351/275,108.88 = 113,296.42/x
  3. Step 3: Cross multiply
    199,351x = 275,108.88 × 113,296.42
  4. Step 4: Simplify right side
    199,351x = 31,168,851,214.21
  5. Step 5: Solve for x
    x = 31,168,851,214.21/199,351
  6. Step 6: Final answer
    x = 156,351.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.