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Finding the Fourth Proportional to 161,499.84, 242,262.08 and 49,189.56

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Solution

The fourth proportional to 161,499.84, 242,262.08 and 49,189.56 is: 73,788.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,499.84 : 242,262.08 = 49,189.56 : x
  2. Step 2: Convert to fraction form
    161,499.84/242,262.08 = 49,189.56/x
  3. Step 3: Cross multiply
    161,499.84x = 242,262.08 × 49,189.56
  4. Step 4: Simplify right side
    161,499.84x = 11,916,765,119.88
  5. Step 5: Solve for x
    x = 11,916,765,119.88/161,499.84
  6. Step 6: Final answer
    x = 73,788.09

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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.