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Finding the Fourth Proportional to 106,222.90, 146,591.78 and 58,480.69

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Solution

The fourth proportional to 106,222.90, 146,591.78 and 58,480.69 is: 80,705.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,222.90 : 146,591.78 = 58,480.69 : x
  2. Step 2: Convert to fraction form
    106,222.90/146,591.78 = 58,480.69/x
  3. Step 3: Cross multiply
    106,222.90x = 146,591.78 × 58,480.69
  4. Step 4: Simplify right side
    106,222.90x = 8,572,788,442.73
  5. Step 5: Solve for x
    x = 8,572,788,442.73/106,222.90
  6. Step 6: Final answer
    x = 80,705.65

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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.