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Finding the Fourth Proportional to 59,910.49, 89,668.77 and 53,349.49

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Solution

The fourth proportional to 59,910.49, 89,668.77 and 53,349.49 is: 79,848.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,910.49 : 89,668.77 = 53,349.49 : x
  2. Step 2: Convert to fraction form
    59,910.49/89,668.77 = 53,349.49/x
  3. Step 3: Cross multiply
    59,910.49x = 89,668.77 × 53,349.49
  4. Step 4: Simplify right side
    59,910.49x = 4,783,783,148.43
  5. Step 5: Solve for x
    x = 4,783,783,148.43/59,910.49
  6. Step 6: Final answer
    x = 79,848.84

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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.