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Finding the Fourth Proportional to 73,314.50, 109,949.81 and 38,235.02

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Solution

The fourth proportional to 73,314.50, 109,949.81 and 38,235.02 is: 57,341.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,314.50 : 109,949.81 = 38,235.02 : x
  2. Step 2: Convert to fraction form
    73,314.50/109,949.81 = 38,235.02/x
  3. Step 3: Cross multiply
    73,314.50x = 109,949.81 × 38,235.02
  4. Step 4: Simplify right side
    73,314.50x = 4,203,932,443.42
  5. Step 5: Solve for x
    x = 4,203,932,443.42/73,314.50
  6. Step 6: Final answer
    x = 57,341.08

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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.