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Finding the Fourth Proportional to 61,760.19, 92,418.84 and 53,468.73

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Solution

The fourth proportional to 61,760.19, 92,418.84 and 53,468.73 is: 80,011.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,760.19 : 92,418.84 = 53,468.73 : x
  2. Step 2: Convert to fraction form
    61,760.19/92,418.84 = 53,468.73/x
  3. Step 3: Cross multiply
    61,760.19x = 92,418.84 × 53,468.73
  4. Step 4: Simplify right side
    61,760.19x = 4,941,518,002.87
  5. Step 5: Solve for x
    x = 4,941,518,002.87/61,760.19
  6. Step 6: Final answer
    x = 80,011.38

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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.