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Finding the Fourth Proportional to 161,892.70, 242,797.58 and 48,013.85

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Solution

The fourth proportional to 161,892.70, 242,797.58 and 48,013.85 is: 72,008.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,892.70 : 242,797.58 = 48,013.85 : x
  2. Step 2: Convert to fraction form
    161,892.70/242,797.58 = 48,013.85/x
  3. Step 3: Cross multiply
    161,892.70x = 242,797.58 × 48,013.85
  4. Step 4: Simplify right side
    161,892.70x = 11,657,646,586.48
  5. Step 5: Solve for x
    x = 11,657,646,586.48/161,892.70
  6. Step 6: Final answer
    x = 72,008.48

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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.