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Finding the Fourth Proportional to 77,859, 107,445.54 and 44,325

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Solution

The fourth proportional to 77,859, 107,445.54 and 44,325 is: 61,168.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,859 : 107,445.54 = 44,325 : x
  2. Step 2: Convert to fraction form
    77,859/107,445.54 = 44,325/x
  3. Step 3: Cross multiply
    77,859x = 107,445.54 × 44,325
  4. Step 4: Simplify right side
    77,859x = 4,762,523,560.50
  5. Step 5: Solve for x
    x = 4,762,523,560.50/77,859
  6. Step 6: Final answer
    x = 61,168.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.