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Finding the Fourth Proportional to 147,906.30, 221,567.85 and 88,565.70

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Solution

The fourth proportional to 147,906.30, 221,567.85 and 88,565.70 is: 132,673.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,906.30 : 221,567.85 = 88,565.70 : x
  2. Step 2: Convert to fraction form
    147,906.30/221,567.85 = 88,565.70/x
  3. Step 3: Cross multiply
    147,906.30x = 221,567.85 × 88,565.70
  4. Step 4: Simplify right side
    147,906.30x = 19,623,311,732.75
  5. Step 5: Solve for x
    x = 19,623,311,732.75/147,906.30
  6. Step 6: Final answer
    x = 132,673.94

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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.