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Finding the Fourth Proportional to 162,556, 224,321.04 and 90,942.64

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Solution

The fourth proportional to 162,556, 224,321.04 and 90,942.64 is: 125,497.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,556 : 224,321.04 = 90,942.64 : x
  2. Step 2: Convert to fraction form
    162,556/224,321.04 = 90,942.64/x
  3. Step 3: Cross multiply
    162,556x = 224,321.04 × 90,942.64
  4. Step 4: Simplify right side
    162,556x = 20,400,347,585.15
  5. Step 5: Solve for x
    x = 20,400,347,585.15/162,556
  6. Step 6: Final answer
    x = 125,497.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.