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Finding the Fourth Proportional to 147,794.70, 221,562.45 and 88,653.90

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Solution

The fourth proportional to 147,794.70, 221,562.45 and 88,653.90 is: 132,903.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,794.70 : 221,562.45 = 88,653.90 : x
  2. Step 2: Convert to fraction form
    147,794.70/221,562.45 = 88,653.90/x
  3. Step 3: Cross multiply
    147,794.70x = 221,562.45 × 88,653.90
  4. Step 4: Simplify right side
    147,794.70x = 19,642,375,286.06
  5. Step 5: Solve for x
    x = 19,642,375,286.06/147,794.70
  6. Step 6: Final answer
    x = 132,903.11

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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.