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Finding the Fourth Proportional to 259,626, 358,322.76 and 159,082.32

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Solution

The fourth proportional to 259,626, 358,322.76 and 159,082.32 is: 219,557.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,626 : 358,322.76 = 159,082.32 : x
  2. Step 2: Convert to fraction form
    259,626/358,322.76 = 159,082.32/x
  3. Step 3: Cross multiply
    259,626x = 358,322.76 × 159,082.32
  4. Step 4: Simplify right side
    259,626x = 57,002,815,969.60
  5. Step 5: Solve for x
    x = 57,002,815,969.60/259,626
  6. Step 6: Final answer
    x = 219,557.42

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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.