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Finding the Fourth Proportional to 222,656.68, 332,762.56 and 162,811.20

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Solution

The fourth proportional to 222,656.68, 332,762.56 and 162,811.20 is: 243,322.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,656.68 : 332,762.56 = 162,811.20 : x
  2. Step 2: Convert to fraction form
    222,656.68/332,762.56 = 162,811.20/x
  3. Step 3: Cross multiply
    222,656.68x = 332,762.56 × 162,811.20
  4. Step 4: Simplify right side
    222,656.68x = 54,177,471,708.67
  5. Step 5: Solve for x
    x = 54,177,471,708.67/222,656.68
  6. Step 6: Final answer
    x = 243,322.91

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.