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Finding the Fourth Proportional to 146,842.86, 220,231.06 and 67,913.76

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Solution

The fourth proportional to 146,842.86, 220,231.06 and 67,913.76 is: 101,855.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,842.86 : 220,231.06 = 67,913.76 : x
  2. Step 2: Convert to fraction form
    146,842.86/220,231.06 = 67,913.76/x
  3. Step 3: Cross multiply
    146,842.86x = 220,231.06 × 67,913.76
  4. Step 4: Simplify right side
    146,842.86x = 14,956,719,353.39
  5. Step 5: Solve for x
    x = 14,956,719,353.39/146,842.86
  6. Step 6: Final answer
    x = 101,855.27

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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.