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Finding the Fourth Proportional to 59,155.97, 81,642.40 and 33,668.54

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Solution

The fourth proportional to 59,155.97, 81,642.40 and 33,668.54 is: 46,466.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,155.97 : 81,642.40 = 33,668.54 : x
  2. Step 2: Convert to fraction form
    59,155.97/81,642.40 = 33,668.54/x
  3. Step 3: Cross multiply
    59,155.97x = 81,642.40 × 33,668.54
  4. Step 4: Simplify right side
    59,155.97x = 2,748,780,001.88
  5. Step 5: Solve for x
    x = 2,748,780,001.88/59,155.97
  6. Step 6: Final answer
    x = 46,466.65

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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.