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Finding the Fourth Proportional to 251,728.83, 377,593.25 and 64,725.75

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Solution

The fourth proportional to 251,728.83, 377,593.25 and 64,725.75 is: 97,088.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,728.83 : 377,593.25 = 64,725.75 : x
  2. Step 2: Convert to fraction form
    251,728.83/377,593.25 = 64,725.75/x
  3. Step 3: Cross multiply
    251,728.83x = 377,593.25 × 64,725.75
  4. Step 4: Simplify right side
    251,728.83x = 24,440,005,977.56
  5. Step 5: Solve for x
    x = 24,440,005,977.56/251,728.83
  6. Step 6: Final answer
    x = 97,088.63

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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.