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Finding the Fourth Proportional to 162,892.10, 244,362.45 and 57,702.80

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Solution

The fourth proportional to 162,892.10, 244,362.45 and 57,702.80 is: 86,562.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,892.10 : 244,362.45 = 57,702.80 : x
  2. Step 2: Convert to fraction form
    162,892.10/244,362.45 = 57,702.80/x
  3. Step 3: Cross multiply
    162,892.10x = 244,362.45 × 57,702.80
  4. Step 4: Simplify right side
    162,892.10x = 14,100,397,579.86
  5. Step 5: Solve for x
    x = 14,100,397,579.86/162,892.10
  6. Step 6: Final answer
    x = 86,562.81

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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.