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Finding the Fourth Proportional to 174,992.20, 262,488.30 and 140,000.20

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Solution

The fourth proportional to 174,992.20, 262,488.30 and 140,000.20 is: 210,000.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,992.20 : 262,488.30 = 140,000.20 : x
  2. Step 2: Convert to fraction form
    174,992.20/262,488.30 = 140,000.20/x
  3. Step 3: Cross multiply
    174,992.20x = 262,488.30 × 140,000.20
  4. Step 4: Simplify right side
    174,992.20x = 36,748,414,497.66
  5. Step 5: Solve for x
    x = 36,748,414,497.66/174,992.20
  6. Step 6: Final answer
    x = 210,000.30

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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.