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Finding the Fourth Proportional to 217,008.74, 325,509.77 and 59,236.74

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Solution

The fourth proportional to 217,008.74, 325,509.77 and 59,236.74 is: 88,854.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,008.74 : 325,509.77 = 59,236.74 : x
  2. Step 2: Convert to fraction form
    217,008.74/325,509.77 = 59,236.74/x
  3. Step 3: Cross multiply
    217,008.74x = 325,509.77 × 59,236.74
  4. Step 4: Simplify right side
    217,008.74x = 19,282,137,761.04
  5. Step 5: Solve for x
    x = 19,282,137,761.04/217,008.74
  6. Step 6: Final answer
    x = 88,854.20

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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.