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Finding the Fourth Proportional to 200,548.78, 276,752.90 and 109,902.83

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Solution

The fourth proportional to 200,548.78, 276,752.90 and 109,902.83 is: 151,663.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,548.78 : 276,752.90 = 109,902.83 : x
  2. Step 2: Convert to fraction form
    200,548.78/276,752.90 = 109,902.83/x
  3. Step 3: Cross multiply
    200,548.78x = 276,752.90 × 109,902.83
  4. Step 4: Simplify right side
    200,548.78x = 30,415,925,811.70
  5. Step 5: Solve for x
    x = 30,415,925,811.70/200,548.78
  6. Step 6: Final answer
    x = 151,663.48

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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.