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Finding the Fourth Proportional to 61,759.94, 92,418.47 and 53,468.48

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Solution

The fourth proportional to 61,759.94, 92,418.47 and 53,468.48 is: 80,011.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,759.94 : 92,418.47 = 53,468.48 : x
  2. Step 2: Convert to fraction form
    61,759.94/92,418.47 = 53,468.48/x
  3. Step 3: Cross multiply
    61,759.94x = 92,418.47 × 53,468.48
  4. Step 4: Simplify right side
    61,759.94x = 4,941,474,847.48
  5. Step 5: Solve for x
    x = 4,941,474,847.48/61,759.94
  6. Step 6: Final answer
    x = 80,011.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.