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Finding the Fourth Proportional to 77,517.97, 106,973.44 and 43,526.73

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Solution

The fourth proportional to 77,517.97, 106,973.44 and 43,526.73 is: 60,066.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,517.97 : 106,973.44 = 43,526.73 : x
  2. Step 2: Convert to fraction form
    77,517.97/106,973.44 = 43,526.73/x
  3. Step 3: Cross multiply
    77,517.97x = 106,973.44 × 43,526.73
  4. Step 4: Simplify right side
    77,517.97x = 4,656,203,772.62
  5. Step 5: Solve for x
    x = 4,656,203,772.62/77,517.97
  6. Step 6: Final answer
    x = 60,066.12

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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.