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Finding the Fourth Proportional to 162,956.70, 244,435.05 and 57,786.30

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Solution

The fourth proportional to 162,956.70, 244,435.05 and 57,786.30 is: 86,679.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,956.70 : 244,435.05 = 57,786.30 : x
  2. Step 2: Convert to fraction form
    162,956.70/244,435.05 = 57,786.30/x
  3. Step 3: Cross multiply
    162,956.70x = 244,435.05 × 57,786.30
  4. Step 4: Simplify right side
    162,956.70x = 14,124,997,129.82
  5. Step 5: Solve for x
    x = 14,124,997,129.82/162,956.70
  6. Step 6: Final answer
    x = 86,679.45

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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.