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Finding the Fourth Proportional to 68,102.66, 101,935.52 and 36,433.51

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Solution

The fourth proportional to 68,102.66, 101,935.52 and 36,433.51 is: 54,533.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,102.66 : 101,935.52 = 36,433.51 : x
  2. Step 2: Convert to fraction form
    68,102.66/101,935.52 = 36,433.51/x
  3. Step 3: Cross multiply
    68,102.66x = 101,935.52 × 36,433.51
  4. Step 4: Simplify right side
    68,102.66x = 3,713,868,095.43
  5. Step 5: Solve for x
    x = 3,713,868,095.43/68,102.66
  6. Step 6: Final answer
    x = 54,533.38

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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.