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Finding the Fourth Proportional to 82,908, 124,362.36 and 27,504

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Solution

The fourth proportional to 82,908, 124,362.36 and 27,504 is: 41,256.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,908 : 124,362.36 = 27,504 : x
  2. Step 2: Convert to fraction form
    82,908/124,362.36 = 27,504/x
  3. Step 3: Cross multiply
    82,908x = 124,362.36 × 27,504
  4. Step 4: Simplify right side
    82,908x = 3,420,462,349.44
  5. Step 5: Solve for x
    x = 3,420,462,349.44/82,908
  6. Step 6: Final answer
    x = 41,256.12

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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.