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Finding the Fourth Proportional to 107,358.30, 161,065.29 and 40,799.58

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Solution

The fourth proportional to 107,358.30, 161,065.29 and 40,799.58 is: 61,209.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,358.30 : 161,065.29 = 40,799.58 : x
  2. Step 2: Convert to fraction form
    107,358.30/161,065.29 = 40,799.58/x
  3. Step 3: Cross multiply
    107,358.30x = 161,065.29 × 40,799.58
  4. Step 4: Simplify right side
    107,358.30x = 6,571,396,184.58
  5. Step 5: Solve for x
    x = 6,571,396,184.58/107,358.30
  6. Step 6: Final answer
    x = 61,209.95

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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.