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Finding the Fourth Proportional to 222,752.01, 307,396.46 and 120,776.45

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Solution

The fourth proportional to 222,752.01, 307,396.46 and 120,776.45 is: 166,670.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,752.01 : 307,396.46 = 120,776.45 : x
  2. Step 2: Convert to fraction form
    222,752.01/307,396.46 = 120,776.45/x
  3. Step 3: Cross multiply
    222,752.01x = 307,396.46 × 120,776.45
  4. Step 4: Simplify right side
    222,752.01x = 37,126,251,040.50
  5. Step 5: Solve for x
    x = 37,126,251,040.50/222,752.01
  6. Step 6: Final answer
    x = 166,670.78

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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.