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Finding the Fourth Proportional to 269,681.36, 404,396.96 and 157,394

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Solution

The fourth proportional to 269,681.36, 404,396.96 and 157,394 is: 236,018.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,681.36 : 404,396.96 = 157,394 : x
  2. Step 2: Convert to fraction form
    269,681.36/404,396.96 = 157,394/x
  3. Step 3: Cross multiply
    269,681.36x = 404,396.96 × 157,394
  4. Step 4: Simplify right side
    269,681.36x = 63,649,655,122.24
  5. Step 5: Solve for x
    x = 63,649,655,122.24/269,681.36
  6. Step 6: Final answer
    x = 236,018.00

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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.