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Finding the Fourth Proportional to 269,301.56, 403,908.57 and 127,146.56

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Solution

The fourth proportional to 269,301.56, 403,908.57 and 127,146.56 is: 190,699.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,301.56 : 403,908.57 = 127,146.56 : x
  2. Step 2: Convert to fraction form
    269,301.56/403,908.57 = 127,146.56/x
  3. Step 3: Cross multiply
    269,301.56x = 403,908.57 × 127,146.56
  4. Step 4: Simplify right side
    269,301.56x = 51,355,583,210.48
  5. Step 5: Solve for x
    x = 51,355,583,210.48/269,301.56
  6. Step 6: Final answer
    x = 190,699.17

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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.