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Finding the Fourth Proportional to 200,060.15, 276,079.12 and 109,415.82

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Solution

The fourth proportional to 200,060.15, 276,079.12 and 109,415.82 is: 150,991.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,060.15 : 276,079.12 = 109,415.82 : x
  2. Step 2: Convert to fraction form
    200,060.15/276,079.12 = 109,415.82/x
  3. Step 3: Cross multiply
    200,060.15x = 276,079.12 × 109,415.82
  4. Step 4: Simplify right side
    200,060.15x = 30,207,423,026.14
  5. Step 5: Solve for x
    x = 30,207,423,026.14/200,060.15
  6. Step 6: Final answer
    x = 150,991.71

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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.