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Finding the Fourth Proportional to 267,070.43, 368,498.27 and 158,120.67

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Solution

The fourth proportional to 267,070.43, 368,498.27 and 158,120.67 is: 218,171.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,070.43 : 368,498.27 = 158,120.67 : x
  2. Step 2: Convert to fraction form
    267,070.43/368,498.27 = 158,120.67/x
  3. Step 3: Cross multiply
    267,070.43x = 368,498.27 × 158,120.67
  4. Step 4: Simplify right side
    267,070.43x = 58,267,193,346.24
  5. Step 5: Solve for x
    x = 58,267,193,346.24/267,070.43
  6. Step 6: Final answer
    x = 218,171.64

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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.