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Finding the Fourth Proportional to 161,967.94, 242,954.07 and 56,789.98

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Solution

The fourth proportional to 161,967.94, 242,954.07 and 56,789.98 is: 85,185.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,967.94 : 242,954.07 = 56,789.98 : x
  2. Step 2: Convert to fraction form
    161,967.94/242,954.07 = 56,789.98/x
  3. Step 3: Cross multiply
    161,967.94x = 242,954.07 × 56,789.98
  4. Step 4: Simplify right side
    161,967.94x = 13,797,356,776.22
  5. Step 5: Solve for x
    x = 13,797,356,776.22/161,967.94
  6. Step 6: Final answer
    x = 85,185.73

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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.