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Finding the Fourth Proportional to 217,258.14, 325,887.48 and 59,487.96

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Solution

The fourth proportional to 217,258.14, 325,887.48 and 59,487.96 is: 89,232.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,258.14 : 325,887.48 = 59,487.96 : x
  2. Step 2: Convert to fraction form
    217,258.14/325,887.48 = 59,487.96/x
  3. Step 3: Cross multiply
    217,258.14x = 325,887.48 × 59,487.96
  4. Step 4: Simplify right side
    217,258.14x = 19,386,381,374.74
  5. Step 5: Solve for x
    x = 19,386,381,374.74/217,258.14
  6. Step 6: Final answer
    x = 89,232.01

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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.