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Finding the Fourth Proportional to 106,873.68, 147,532.92 and 63,868.34

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Solution

The fourth proportional to 106,873.68, 147,532.92 and 63,868.34 is: 88,166.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,873.68 : 147,532.92 = 63,868.34 : x
  2. Step 2: Convert to fraction form
    106,873.68/147,532.92 = 63,868.34/x
  3. Step 3: Cross multiply
    106,873.68x = 147,532.92 × 63,868.34
  4. Step 4: Simplify right side
    106,873.68x = 9,422,682,695.75
  5. Step 5: Solve for x
    x = 9,422,682,695.75/106,873.68
  6. Step 6: Final answer
    x = 88,166.54

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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.