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Finding the Fourth Proportional to 59,787.36, 82,416.41 and 49,158.54

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Solution

The fourth proportional to 59,787.36, 82,416.41 and 49,158.54 is: 67,764.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,787.36 : 82,416.41 = 49,158.54 : x
  2. Step 2: Convert to fraction form
    59,787.36/82,416.41 = 49,158.54/x
  3. Step 3: Cross multiply
    59,787.36x = 82,416.41 × 49,158.54
  4. Step 4: Simplify right side
    59,787.36x = 4,051,470,387.64
  5. Step 5: Solve for x
    x = 4,051,470,387.64/59,787.36
  6. Step 6: Final answer
    x = 67,764.66

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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.