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Finding the Fourth Proportional to 113,898.28, 170,847.02 and 30,792.28

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Solution

The fourth proportional to 113,898.28, 170,847.02 and 30,792.28 is: 46,188.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,898.28 : 170,847.02 = 30,792.28 : x
  2. Step 2: Convert to fraction form
    113,898.28/170,847.02 = 30,792.28/x
  3. Step 3: Cross multiply
    113,898.28x = 170,847.02 × 30,792.28
  4. Step 4: Simplify right side
    113,898.28x = 5,260,769,123.04
  5. Step 5: Solve for x
    x = 5,260,769,123.04/113,898.28
  6. Step 6: Final answer
    x = 46,188.31

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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.