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Finding the Fourth Proportional to 162,844.40, 244,295.40 and 57,724.40

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Solution

The fourth proportional to 162,844.40, 244,295.40 and 57,724.40 is: 86,596.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,844.40 : 244,295.40 = 57,724.40 : x
  2. Step 2: Convert to fraction form
    162,844.40/244,295.40 = 57,724.40/x
  3. Step 3: Cross multiply
    162,844.40x = 244,295.40 × 57,724.40
  4. Step 4: Simplify right side
    162,844.40x = 14,101,805,387.76
  5. Step 5: Solve for x
    x = 14,101,805,387.76/162,844.40
  6. Step 6: Final answer
    x = 86,596.81

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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.