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Finding the Fourth Proportional to 200,635.38, 276,831.30 and 136,113.39

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Solution

The fourth proportional to 200,635.38, 276,831.30 and 136,113.39 is: 187,805.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,635.38 : 276,831.30 = 136,113.39 : x
  2. Step 2: Convert to fraction form
    200,635.38/276,831.30 = 136,113.39/x
  3. Step 3: Cross multiply
    200,635.38x = 276,831.30 × 136,113.39
  4. Step 4: Simplify right side
    200,635.38x = 37,680,446,701.11
  5. Step 5: Solve for x
    x = 37,680,446,701.11/200,635.38
  6. Step 6: Final answer
    x = 187,805.59

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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.