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Finding the Fourth Proportional to 200,521.50, 276,719.67 and 119,952.42

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Solution

The fourth proportional to 200,521.50, 276,719.67 and 119,952.42 is: 165,534.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,521.50 : 276,719.67 = 119,952.42 : x
  2. Step 2: Convert to fraction form
    200,521.50/276,719.67 = 119,952.42/x
  3. Step 3: Cross multiply
    200,521.50x = 276,719.67 × 119,952.42
  4. Step 4: Simplify right side
    200,521.50x = 33,193,194,078.10
  5. Step 5: Solve for x
    x = 33,193,194,078.10/200,521.50
  6. Step 6: Final answer
    x = 165,534.34

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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.