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Finding the Fourth Proportional to 217,203.18, 325,761.03 and 59,447.58

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Solution

The fourth proportional to 217,203.18, 325,761.03 and 59,447.58 is: 89,159.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,203.18 : 325,761.03 = 59,447.58 : x
  2. Step 2: Convert to fraction form
    217,203.18/325,761.03 = 59,447.58/x
  3. Step 3: Cross multiply
    217,203.18x = 325,761.03 × 59,447.58
  4. Step 4: Simplify right side
    217,203.18x = 19,365,704,891.81
  5. Step 5: Solve for x
    x = 19,365,704,891.81/217,203.18
  6. Step 6: Final answer
    x = 89,159.40

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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.