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Finding the Fourth Proportional to 200,397.52, 276,548.90 and 108,516.52

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Solution

The fourth proportional to 200,397.52, 276,548.90 and 108,516.52 is: 149,752.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,397.52 : 276,548.90 = 108,516.52 : x
  2. Step 2: Convert to fraction form
    200,397.52/276,548.90 = 108,516.52/x
  3. Step 3: Cross multiply
    200,397.52x = 276,548.90 × 108,516.52
  4. Step 4: Simplify right side
    200,397.52x = 30,010,124,237.83
  5. Step 5: Solve for x
    x = 30,010,124,237.83/200,397.52
  6. Step 6: Final answer
    x = 149,752.97

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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.