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Finding the Fourth Proportional to 269,526.80, 404,549.40 and 136,557.20

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Solution

The fourth proportional to 269,526.80, 404,549.40 and 136,557.20 is: 204,967.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,526.80 : 404,549.40 = 136,557.20 : x
  2. Step 2: Convert to fraction form
    269,526.80/404,549.40 = 136,557.20/x
  3. Step 3: Cross multiply
    269,526.80x = 404,549.40 × 136,557.20
  4. Step 4: Simplify right side
    269,526.80x = 55,244,133,325.68
  5. Step 5: Solve for x
    x = 55,244,133,325.68/269,526.80
  6. Step 6: Final answer
    x = 204,967.13

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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.