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Finding the Fourth Proportional to 200,342.92, 276,480.68 and 114,315.91

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Solution

The fourth proportional to 200,342.92, 276,480.68 and 114,315.91 is: 157,760.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,342.92 : 276,480.68 = 114,315.91 : x
  2. Step 2: Convert to fraction form
    200,342.92/276,480.68 = 114,315.91/x
  3. Step 3: Cross multiply
    200,342.92x = 276,480.68 × 114,315.91
  4. Step 4: Simplify right side
    200,342.92x = 31,606,140,531.62
  5. Step 5: Solve for x
    x = 31,606,140,531.62/200,342.92
  6. Step 6: Final answer
    x = 157,760.21

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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.