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Finding the Fourth Proportional to 162,815.40, 244,223.10 and 133,266.60

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Solution

The fourth proportional to 162,815.40, 244,223.10 and 133,266.60 is: 199,899.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,815.40 : 244,223.10 = 133,266.60 : x
  2. Step 2: Convert to fraction form
    162,815.40/244,223.10 = 133,266.60/x
  3. Step 3: Cross multiply
    162,815.40x = 244,223.10 × 133,266.60
  4. Step 4: Simplify right side
    162,815.40x = 32,546,782,178.46
  5. Step 5: Solve for x
    x = 32,546,782,178.46/162,815.40
  6. Step 6: Final answer
    x = 199,899.90

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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.