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Finding the Fourth Proportional to 113,508.71, 170,272.86 and 29,268.14

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Solution

The fourth proportional to 113,508.71, 170,272.86 and 29,268.14 is: 43,904.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,508.71 : 170,272.86 = 29,268.14 : x
  2. Step 2: Convert to fraction form
    113,508.71/170,272.86 = 29,268.14/x
  3. Step 3: Cross multiply
    113,508.71x = 170,272.86 × 29,268.14
  4. Step 4: Simplify right side
    113,508.71x = 4,983,569,904.68
  5. Step 5: Solve for x
    x = 4,983,569,904.68/113,508.71
  6. Step 6: Final answer
    x = 43,904.74

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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.