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Finding the Fourth Proportional to 70,414.92, 105,076.44 and 62,937

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Solution

The fourth proportional to 70,414.92, 105,076.44 and 62,937 is: 93,917.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,414.92 : 105,076.44 = 62,937 : x
  2. Step 2: Convert to fraction form
    70,414.92/105,076.44 = 62,937/x
  3. Step 3: Cross multiply
    70,414.92x = 105,076.44 × 62,937
  4. Step 4: Simplify right side
    70,414.92x = 6,613,195,904.28
  5. Step 5: Solve for x
    x = 6,613,195,904.28/70,414.92
  6. Step 6: Final answer
    x = 93,917.54

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.