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Finding the Fourth Proportional to 200,356.21, 276,494.97 and 109,710.73

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Solution

The fourth proportional to 200,356.21, 276,494.97 and 109,710.73 is: 151,402.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,356.21 : 276,494.97 = 109,710.73 : x
  2. Step 2: Convert to fraction form
    200,356.21/276,494.97 = 109,710.73/x
  3. Step 3: Cross multiply
    200,356.21x = 276,494.97 × 109,710.73
  4. Step 4: Simplify right side
    200,356.21x = 30,334,465,000.03
  5. Step 5: Solve for x
    x = 30,334,465,000.03/200,356.21
  6. Step 6: Final answer
    x = 151,402.67

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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.