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Finding the Fourth Proportional to 269,768.28, 404,696.40 and 101,301.72

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Solution

The fourth proportional to 269,768.28, 404,696.40 and 101,301.72 is: 151,969.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,768.28 : 404,696.40 = 101,301.72 : x
  2. Step 2: Convert to fraction form
    269,768.28/404,696.40 = 101,301.72/x
  3. Step 3: Cross multiply
    269,768.28x = 404,696.40 × 101,301.72
  4. Step 4: Simplify right side
    269,768.28x = 40,996,441,397.81
  5. Step 5: Solve for x
    x = 40,996,441,397.81/269,768.28
  6. Step 6: Final answer
    x = 151,969.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.