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Finding the Fourth Proportional to 161,193.68, 241,789.96 and 42,864.88

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Solution

The fourth proportional to 161,193.68, 241,789.96 and 42,864.88 is: 64,297.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,193.68 : 241,789.96 = 42,864.88 : x
  2. Step 2: Convert to fraction form
    161,193.68/241,789.96 = 42,864.88/x
  3. Step 3: Cross multiply
    161,193.68x = 241,789.96 × 42,864.88
  4. Step 4: Simplify right side
    161,193.68x = 10,364,297,620.60
  5. Step 5: Solve for x
    x = 10,364,297,620.60/161,193.68
  6. Step 6: Final answer
    x = 64,297.17

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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.