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Finding the Fourth Proportional to 68,100.66, 101,932.52 and 36,431.51

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Solution

The fourth proportional to 68,100.66, 101,932.52 and 36,431.51 is: 54,530.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,100.66 : 101,932.52 = 36,431.51 : x
  2. Step 2: Convert to fraction form
    68,100.66/101,932.52 = 36,431.51/x
  3. Step 3: Cross multiply
    68,100.66x = 101,932.52 × 36,431.51
  4. Step 4: Simplify right side
    68,100.66x = 3,713,554,929.89
  5. Step 5: Solve for x
    x = 3,713,554,929.89/68,100.66
  6. Step 6: Final answer
    x = 54,530.38

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1.5x scale

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.