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Finding the Fourth Proportional to 161,775.96, 242,664.56 and 49,455.76

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Solution

The fourth proportional to 161,775.96, 242,664.56 and 49,455.76 is: 74,183.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,775.96 : 242,664.56 = 49,455.76 : x
  2. Step 2: Convert to fraction form
    161,775.96/242,664.56 = 49,455.76/x
  3. Step 3: Cross multiply
    161,775.96x = 242,664.56 × 49,455.76
  4. Step 4: Simplify right side
    161,775.96x = 12,001,160,239.87
  5. Step 5: Solve for x
    x = 12,001,160,239.87/161,775.96
  6. Step 6: Final answer
    x = 74,183.83

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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.