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Finding the Fourth Proportional to 68,073.25, 93,842.61 and 45,064.52

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Solution

The fourth proportional to 68,073.25, 93,842.61 and 45,064.52 is: 62,123.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,073.25 : 93,842.61 = 45,064.52 : x
  2. Step 2: Convert to fraction form
    68,073.25/93,842.61 = 45,064.52/x
  3. Step 3: Cross multiply
    68,073.25x = 93,842.61 × 45,064.52
  4. Step 4: Simplify right side
    68,073.25x = 4,228,971,480.66
  5. Step 5: Solve for x
    x = 4,228,971,480.66/68,073.25
  6. Step 6: Final answer
    x = 62,123.84

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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.