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Finding the Fourth Proportional to 106,346.85, 146,765.19 and 58,600.19

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Solution

The fourth proportional to 106,346.85, 146,765.19 and 58,600.19 is: 80,871.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,346.85 : 146,765.19 = 58,600.19 : x
  2. Step 2: Convert to fraction form
    106,346.85/146,765.19 = 58,600.19/x
  3. Step 3: Cross multiply
    106,346.85x = 146,765.19 × 58,600.19
  4. Step 4: Simplify right side
    106,346.85x = 8,600,468,019.39
  5. Step 5: Solve for x
    x = 8,600,468,019.39/106,346.85
  6. Step 6: Final answer
    x = 80,871.86

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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.