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Finding the Fourth Proportional to 251,552.50, 377,328.78 and 64,564

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Solution

The fourth proportional to 251,552.50, 377,328.78 and 64,564 is: 96,846.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,552.50 : 377,328.78 = 64,564 : x
  2. Step 2: Convert to fraction form
    251,552.50/377,328.78 = 64,564/x
  3. Step 3: Cross multiply
    251,552.50x = 377,328.78 × 64,564
  4. Step 4: Simplify right side
    251,552.50x = 24,361,855,351.92
  5. Step 5: Solve for x
    x = 24,361,855,351.92/251,552.50
  6. Step 6: Final answer
    x = 96,846.01

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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.