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Finding the Fourth Proportional to 162,940.40, 244,232.40 and 57,705.20

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Solution

The fourth proportional to 162,940.40, 244,232.40 and 57,705.20 is: 86,494.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,940.40 : 244,232.40 = 57,705.20 : x
  2. Step 2: Convert to fraction form
    162,940.40/244,232.40 = 57,705.20/x
  3. Step 3: Cross multiply
    162,940.40x = 244,232.40 × 57,705.20
  4. Step 4: Simplify right side
    162,940.40x = 14,093,479,488.48
  5. Step 5: Solve for x
    x = 14,093,479,488.48/162,940.40
  6. Step 6: Final answer
    x = 86,494.69

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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.