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Finding the Fourth Proportional to 117,414.56, 162,032.15 and 63,699.56

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Solution

The fourth proportional to 117,414.56, 162,032.15 and 63,699.56 is: 87,905.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,414.56 : 162,032.15 = 63,699.56 : x
  2. Step 2: Convert to fraction form
    117,414.56/162,032.15 = 63,699.56/x
  3. Step 3: Cross multiply
    117,414.56x = 162,032.15 × 63,699.56
  4. Step 4: Simplify right side
    117,414.56x = 10,321,376,660.85
  5. Step 5: Solve for x
    x = 10,321,376,660.85/117,414.56
  6. Step 6: Final answer
    x = 87,905.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.