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Finding the Fourth Proportional to 212,451.58, 292,910.88 and 174,069.73

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Solution

The fourth proportional to 212,451.58, 292,910.88 and 174,069.73 is: 239,993.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,451.58 : 292,910.88 = 174,069.73 : x
  2. Step 2: Convert to fraction form
    212,451.58/292,910.88 = 174,069.73/x
  3. Step 3: Cross multiply
    212,451.58x = 292,910.88 × 174,069.73
  4. Step 4: Simplify right side
    212,451.58x = 50,986,917,795.66
  5. Step 5: Solve for x
    x = 50,986,917,795.66/212,451.58
  6. Step 6: Final answer
    x = 239,993.12

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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.