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Finding the Fourth Proportional to 217,290.96, 325,892.16 and 59,507.28

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Solution

The fourth proportional to 217,290.96, 325,892.16 and 59,507.28 is: 89,248.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,290.96 : 325,892.16 = 59,507.28 : x
  2. Step 2: Convert to fraction form
    217,290.96/325,892.16 = 59,507.28/x
  3. Step 3: Cross multiply
    217,290.96x = 325,892.16 × 59,507.28
  4. Step 4: Simplify right side
    217,290.96x = 19,392,956,014.92
  5. Step 5: Solve for x
    x = 19,392,956,014.92/217,290.96
  6. Step 6: Final answer
    x = 89,248.79

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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.