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Finding the Fourth Proportional to 59,265.84, 81,739.62 and 50,342.88

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Solution

The fourth proportional to 59,265.84, 81,739.62 and 50,342.88 is: 69,433.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,265.84 : 81,739.62 = 50,342.88 : x
  2. Step 2: Convert to fraction form
    59,265.84/81,739.62 = 50,342.88/x
  3. Step 3: Cross multiply
    59,265.84x = 81,739.62 × 50,342.88
  4. Step 4: Simplify right side
    59,265.84x = 4,115,007,880.91
  5. Step 5: Solve for x
    x = 4,115,007,880.91/59,265.84
  6. Step 6: Final answer
    x = 69,433.05

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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.