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Finding the Fourth Proportional to 162,815.70, 244,223.55 and 96,330.90

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Solution

The fourth proportional to 162,815.70, 244,223.55 and 96,330.90 is: 144,496.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,815.70 : 244,223.55 = 96,330.90 : x
  2. Step 2: Convert to fraction form
    162,815.70/244,223.55 = 96,330.90/x
  3. Step 3: Cross multiply
    162,815.70x = 244,223.55 × 96,330.90
  4. Step 4: Simplify right side
    162,815.70x = 23,526,274,372.70
  5. Step 5: Solve for x
    x = 23,526,274,372.70/162,815.70
  6. Step 6: Final answer
    x = 144,496.35

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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.