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Finding the Fourth Proportional to 106,896.38, 147,493.58 and 63,869.41

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Solution

The fourth proportional to 106,896.38, 147,493.58 and 63,869.41 is: 88,125.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,896.38 : 147,493.58 = 63,869.41 : x
  2. Step 2: Convert to fraction form
    106,896.38/147,493.58 = 63,869.41/x
  3. Step 3: Cross multiply
    106,896.38x = 147,493.58 × 63,869.41
  4. Step 4: Simplify right side
    106,896.38x = 9,420,327,798.41
  5. Step 5: Solve for x
    x = 9,420,327,798.41/106,896.38
  6. Step 6: Final answer
    x = 88,125.79

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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.