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Finding the Fourth Proportional to 154,267.80, 231,401.70 and 92,059.80

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Solution

The fourth proportional to 154,267.80, 231,401.70 and 92,059.80 is: 138,089.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,267.80 : 231,401.70 = 92,059.80 : x
  2. Step 2: Convert to fraction form
    154,267.80/231,401.70 = 92,059.80/x
  3. Step 3: Cross multiply
    154,267.80x = 231,401.70 × 92,059.80
  4. Step 4: Simplify right side
    154,267.80x = 21,302,794,221.66
  5. Step 5: Solve for x
    x = 21,302,794,221.66/154,267.80
  6. Step 6: Final answer
    x = 138,089.70

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1.5x scale

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.