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Finding the Fourth Proportional to 161,759.60, 242,524.20 and 61,881.20

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Solution

The fourth proportional to 161,759.60, 242,524.20 and 61,881.20 is: 92,777.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,759.60 : 242,524.20 = 61,881.20 : x
  2. Step 2: Convert to fraction form
    161,759.60/242,524.20 = 61,881.20/x
  3. Step 3: Cross multiply
    161,759.60x = 242,524.20 × 61,881.20
  4. Step 4: Simplify right side
    161,759.60x = 15,007,688,525.04
  5. Step 5: Solve for x
    x = 15,007,688,525.04/161,759.60
  6. Step 6: Final answer
    x = 92,777.73

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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.