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Finding the Fourth Proportional to 161,797.88, 242,806.17 and 56,617.76

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Solution

The fourth proportional to 161,797.88, 242,806.17 and 56,617.76 is: 84,964.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,797.88 : 242,806.17 = 56,617.76 : x
  2. Step 2: Convert to fraction form
    161,797.88/242,806.17 = 56,617.76/x
  3. Step 3: Cross multiply
    161,797.88x = 242,806.17 × 56,617.76
  4. Step 4: Simplify right side
    161,797.88x = 13,747,141,459.58
  5. Step 5: Solve for x
    x = 13,747,141,459.58/161,797.88
  6. Step 6: Final answer
    x = 84,964.90

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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.