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Finding the Fourth Proportional to 73,364.48, 109,983.57 and 31,205.96

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Solution

The fourth proportional to 73,364.48, 109,983.57 and 31,205.96 is: 46,782.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,364.48 : 109,983.57 = 31,205.96 : x
  2. Step 2: Convert to fraction form
    73,364.48/109,983.57 = 31,205.96/x
  3. Step 3: Cross multiply
    73,364.48x = 109,983.57 × 31,205.96
  4. Step 4: Simplify right side
    73,364.48x = 3,432,142,886.08
  5. Step 5: Solve for x
    x = 3,432,142,886.08/73,364.48
  6. Step 6: Final answer
    x = 46,782.08

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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.