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Finding the Fourth Proportional to 68,950.36, 103,466.85 and 29,507.51

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Solution

The fourth proportional to 68,950.36, 103,466.85 and 29,507.51 is: 44,278.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,950.36 : 103,466.85 = 29,507.51 : x
  2. Step 2: Convert to fraction form
    68,950.36/103,466.85 = 29,507.51/x
  3. Step 3: Cross multiply
    68,950.36x = 103,466.85 × 29,507.51
  4. Step 4: Simplify right side
    68,950.36x = 3,053,049,111.04
  5. Step 5: Solve for x
    x = 3,053,049,111.04/68,950.36
  6. Step 6: Final answer
    x = 44,278.94

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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.