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Finding the Fourth Proportional to 162,693.80, 244,018.20 and 50,451.20

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Solution

The fourth proportional to 162,693.80, 244,018.20 and 50,451.20 is: 75,669.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,693.80 : 244,018.20 = 50,451.20 : x
  2. Step 2: Convert to fraction form
    162,693.80/244,018.20 = 50,451.20/x
  3. Step 3: Cross multiply
    162,693.80x = 244,018.20 × 50,451.20
  4. Step 4: Simplify right side
    162,693.80x = 12,311,011,011.84
  5. Step 5: Solve for x
    x = 12,311,011,011.84/162,693.80
  6. Step 6: Final answer
    x = 75,669.82

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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.