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Finding the Fourth Proportional to 67,954.11, 101,923.25 and 18,038.08

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Solution

The fourth proportional to 67,954.11, 101,923.25 and 18,038.08 is: 27,055.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,954.11 : 101,923.25 = 18,038.08 : x
  2. Step 2: Convert to fraction form
    67,954.11/101,923.25 = 18,038.08/x
  3. Step 3: Cross multiply
    67,954.11x = 101,923.25 × 18,038.08
  4. Step 4: Simplify right side
    67,954.11x = 1,838,499,737.36
  5. Step 5: Solve for x
    x = 1,838,499,737.36/67,954.11
  6. Step 6: Final answer
    x = 27,055.02

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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.