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Finding the Fourth Proportional to 236,353.16, 354,475.74 and 67,872.16

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Solution

The fourth proportional to 236,353.16, 354,475.74 and 67,872.16 is: 101,792.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,353.16 : 354,475.74 = 67,872.16 : x
  2. Step 2: Convert to fraction form
    236,353.16/354,475.74 = 67,872.16/x
  3. Step 3: Cross multiply
    236,353.16x = 354,475.74 × 67,872.16
  4. Step 4: Simplify right side
    236,353.16x = 24,059,032,369.02
  5. Step 5: Solve for x
    x = 24,059,032,369.02/236,353.16
  6. Step 6: Final answer
    x = 101,792.73

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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.