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Finding the Fourth Proportional to 162,866.40, 244,299.60 and 109,722.30

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Solution

The fourth proportional to 162,866.40, 244,299.60 and 109,722.30 is: 164,583.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,866.40 : 244,299.60 = 109,722.30 : x
  2. Step 2: Convert to fraction form
    162,866.40/244,299.60 = 109,722.30/x
  3. Step 3: Cross multiply
    162,866.40x = 244,299.60 × 109,722.30
  4. Step 4: Simplify right side
    162,866.40x = 26,805,114,001.08
  5. Step 5: Solve for x
    x = 26,805,114,001.08/162,866.40
  6. Step 6: Final answer
    x = 164,583.45

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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.