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Finding the Fourth Proportional to 200,452.70, 276,624.80 and 109,811.93

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Solution

The fourth proportional to 200,452.70, 276,624.80 and 109,811.93 is: 151,540.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,452.70 : 276,624.80 = 109,811.93 : x
  2. Step 2: Convert to fraction form
    200,452.70/276,624.80 = 109,811.93/x
  3. Step 3: Cross multiply
    200,452.70x = 276,624.80 × 109,811.93
  4. Step 4: Simplify right side
    200,452.70x = 30,376,703,173.86
  5. Step 5: Solve for x
    x = 30,376,703,173.86/200,452.70
  6. Step 6: Final answer
    x = 151,540.50

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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.