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Finding the Fourth Proportional to 77,926, 107,537.88 and 44,392

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Solution

The fourth proportional to 77,926, 107,537.88 and 44,392 is: 61,260.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,926 : 107,537.88 = 44,392 : x
  2. Step 2: Convert to fraction form
    77,926/107,537.88 = 44,392/x
  3. Step 3: Cross multiply
    77,926x = 107,537.88 × 44,392
  4. Step 4: Simplify right side
    77,926x = 4,773,821,568.96
  5. Step 5: Solve for x
    x = 4,773,821,568.96/77,926
  6. Step 6: Final answer
    x = 61,260.96

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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.