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Finding the Fourth Proportional to 161,799.84, 242,699.76 and 50,991.84

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Solution

The fourth proportional to 161,799.84, 242,699.76 and 50,991.84 is: 76,487.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,799.84 : 242,699.76 = 50,991.84 : x
  2. Step 2: Convert to fraction form
    161,799.84/242,699.76 = 50,991.84/x
  3. Step 3: Cross multiply
    161,799.84x = 242,699.76 × 50,991.84
  4. Step 4: Simplify right side
    161,799.84x = 12,375,707,329.96
  5. Step 5: Solve for x
    x = 12,375,707,329.96/161,799.84
  6. Step 6: Final answer
    x = 76,487.76

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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.