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Finding the Fourth Proportional to 201,824.06, 278,496.28 and 124,287.39

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Solution

The fourth proportional to 201,824.06, 278,496.28 and 124,287.39 is: 171,503.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,824.06 : 278,496.28 = 124,287.39 : x
  2. Step 2: Convert to fraction form
    201,824.06/278,496.28 = 124,287.39/x
  3. Step 3: Cross multiply
    201,824.06x = 278,496.28 × 124,287.39
  4. Step 4: Simplify right side
    201,824.06x = 34,613,575,765.91
  5. Step 5: Solve for x
    x = 34,613,575,765.91/201,824.06
  6. Step 6: Final answer
    x = 171,503.71

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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.