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Finding the Fourth Proportional to 200,663.32, 276,918.42 and 110,027.56

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Solution

The fourth proportional to 200,663.32, 276,918.42 and 110,027.56 is: 151,839.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,663.32 : 276,918.42 = 110,027.56 : x
  2. Step 2: Convert to fraction form
    200,663.32/276,918.42 = 110,027.56/x
  3. Step 3: Cross multiply
    200,663.32x = 276,918.42 × 110,027.56
  4. Step 4: Simplify right side
    200,663.32x = 30,468,658,071.66
  5. Step 5: Solve for x
    x = 30,468,658,071.66/200,663.32
  6. Step 6: Final answer
    x = 151,839.70

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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.