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Finding the Fourth Proportional to 222,534, 332,579.26 and 162,688.48

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Solution

The fourth proportional to 222,534, 332,579.26 and 162,688.48 is: 243,139.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,534 : 332,579.26 = 162,688.48 : x
  2. Step 2: Convert to fraction form
    222,534/332,579.26 = 162,688.48/x
  3. Step 3: Cross multiply
    222,534x = 332,579.26 × 162,688.48
  4. Step 4: Simplify right side
    222,534x = 54,106,814,288.92
  5. Step 5: Solve for x
    x = 54,106,814,288.92/222,534
  6. Step 6: Final answer
    x = 243,139.54

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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.