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Finding the Fourth Proportional to 106,355.53, 146,777.16 and 58,608.87

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Solution

The fourth proportional to 106,355.53, 146,777.16 and 58,608.87 is: 80,883.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,355.53 : 146,777.16 = 58,608.87 : x
  2. Step 2: Convert to fraction form
    106,355.53/146,777.16 = 58,608.87/x
  3. Step 3: Cross multiply
    106,355.53x = 146,777.16 × 58,608.87
  4. Step 4: Simplify right side
    106,355.53x = 8,602,442,755.52
  5. Step 5: Solve for x
    x = 8,602,442,755.52/106,355.53
  6. Step 6: Final answer
    x = 80,883.83

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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.