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Finding the Fourth Proportional to 175,234.60, 262,943.70 and 80,493.40

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Solution

The fourth proportional to 175,234.60, 262,943.70 and 80,493.40 is: 120,782.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,234.60 : 262,943.70 = 80,493.40 : x
  2. Step 2: Convert to fraction form
    175,234.60/262,943.70 = 80,493.40/x
  3. Step 3: Cross multiply
    175,234.60x = 262,943.70 × 80,493.40
  4. Step 4: Simplify right side
    175,234.60x = 21,165,232,421.58
  5. Step 5: Solve for x
    x = 21,165,232,421.58/175,234.60
  6. Step 6: Final answer
    x = 120,782.27

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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.