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Finding the Fourth Proportional to 73,173.12, 109,737.90 and 31,052.52

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Solution

The fourth proportional to 73,173.12, 109,737.90 and 31,052.52 is: 46,569.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,173.12 : 109,737.90 = 31,052.52 : x
  2. Step 2: Convert to fraction form
    73,173.12/109,737.90 = 31,052.52/x
  3. Step 3: Cross multiply
    73,173.12x = 109,737.90 × 31,052.52
  4. Step 4: Simplify right side
    73,173.12x = 3,407,638,334.51
  5. Step 5: Solve for x
    x = 3,407,638,334.51/73,173.12
  6. Step 6: Final answer
    x = 46,569.54

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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.