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Finding the Fourth Proportional to 217,006.21, 325,509.32 and 59,238.87

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Solution

The fourth proportional to 217,006.21, 325,509.32 and 59,238.87 is: 88,858.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,006.21 : 325,509.32 = 59,238.87 : x
  2. Step 2: Convert to fraction form
    217,006.21/325,509.32 = 59,238.87/x
  3. Step 3: Cross multiply
    217,006.21x = 325,509.32 × 59,238.87
  4. Step 4: Simplify right side
    217,006.21x = 19,282,804,291.27
  5. Step 5: Solve for x
    x = 19,282,804,291.27/217,006.21
  6. Step 6: Final answer
    x = 88,858.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.