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Finding the Fourth Proportional to 113,898.53, 170,847.39 and 30,792.53

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Solution

The fourth proportional to 113,898.53, 170,847.39 and 30,792.53 is: 46,188.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,898.53 : 170,847.39 = 30,792.53 : x
  2. Step 2: Convert to fraction form
    113,898.53/170,847.39 = 30,792.53/x
  3. Step 3: Cross multiply
    113,898.53x = 170,847.39 × 30,792.53
  4. Step 4: Simplify right side
    113,898.53x = 5,260,823,382.00
  5. Step 5: Solve for x
    x = 5,260,823,382.00/113,898.53
  6. Step 6: Final answer
    x = 46,188.69

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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.