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Finding the Fourth Proportional to 161,754.70, 242,545.65 and 56,577.10

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Solution

The fourth proportional to 161,754.70, 242,545.65 and 56,577.10 is: 84,835.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,754.70 : 242,545.65 = 56,577.10 : x
  2. Step 2: Convert to fraction form
    161,754.70/242,545.65 = 56,577.10/x
  3. Step 3: Cross multiply
    161,754.70x = 242,545.65 × 56,577.10
  4. Step 4: Simplify right side
    161,754.70x = 13,722,529,494.62
  5. Step 5: Solve for x
    x = 13,722,529,494.62/161,754.70
  6. Step 6: Final answer
    x = 84,835.43

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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.