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Finding the Fourth Proportional to 77,458.75, 106,893.08 and 43,924.75

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Solution

The fourth proportional to 77,458.75, 106,893.08 and 43,924.75 is: 60,616.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,458.75 : 106,893.08 = 43,924.75 : x
  2. Step 2: Convert to fraction form
    77,458.75/106,893.08 = 43,924.75/x
  3. Step 3: Cross multiply
    77,458.75x = 106,893.08 × 43,924.75
  4. Step 4: Simplify right side
    77,458.75x = 4,695,251,815.73
  5. Step 5: Solve for x
    x = 4,695,251,815.73/77,458.75
  6. Step 6: Final answer
    x = 60,616.16

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1.5x scale

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.