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Finding the Fourth Proportional to 146,765.22, 220,129.45 and 46,917.12

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Solution

The fourth proportional to 146,765.22, 220,129.45 and 46,917.12 is: 70,369.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,765.22 : 220,129.45 = 46,917.12 : x
  2. Step 2: Convert to fraction form
    146,765.22/220,129.45 = 46,917.12/x
  3. Step 3: Cross multiply
    146,765.22x = 220,129.45 × 46,917.12
  4. Step 4: Simplify right side
    146,765.22x = 10,327,840,529.38
  5. Step 5: Solve for x
    x = 10,327,840,529.38/146,765.22
  6. Step 6: Final answer
    x = 70,369.81

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1.5x scale

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.