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Finding the Fourth Proportional to 59,960.50, 82,668.57 and 49,165.60

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Solution

The fourth proportional to 59,960.50, 82,668.57 and 49,165.60 is: 67,785.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,960.50 : 82,668.57 = 49,165.60 : x
  2. Step 2: Convert to fraction form
    59,960.50/82,668.57 = 49,165.60/x
  3. Step 3: Cross multiply
    59,960.50x = 82,668.57 × 49,165.60
  4. Step 4: Simplify right side
    59,960.50x = 4,064,449,845.19
  5. Step 5: Solve for x
    x = 4,064,449,845.19/59,960.50
  6. Step 6: Final answer
    x = 67,785.46

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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.