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Finding the Fourth Proportional to 222,373.74, 306,875.92 and 120,399.26

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Solution

The fourth proportional to 222,373.74, 306,875.92 and 120,399.26 is: 166,151.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,373.74 : 306,875.92 = 120,399.26 : x
  2. Step 2: Convert to fraction form
    222,373.74/306,875.92 = 120,399.26/x
  3. Step 3: Cross multiply
    222,373.74x = 306,875.92 × 120,399.26
  4. Step 4: Simplify right side
    222,373.74x = 36,947,633,679.82
  5. Step 5: Solve for x
    x = 36,947,633,679.82/222,373.74
  6. Step 6: Final answer
    x = 166,151.06

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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.