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Finding the Fourth Proportional to 162,201.58, 223,841.54 and 90,581.67

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Solution

The fourth proportional to 162,201.58, 223,841.54 and 90,581.67 is: 125,004.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,201.58 : 223,841.54 = 90,581.67 : x
  2. Step 2: Convert to fraction form
    162,201.58/223,841.54 = 90,581.67/x
  3. Step 3: Cross multiply
    162,201.58x = 223,841.54 × 90,581.67
  4. Step 4: Simplify right side
    162,201.58x = 20,275,940,508.57
  5. Step 5: Solve for x
    x = 20,275,940,508.57/162,201.58
  6. Step 6: Final answer
    x = 125,004.58

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1.5x scale

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.