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Finding the Fourth Proportional to 217,382.94, 326,212.92 and 99,066.24

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Solution

The fourth proportional to 217,382.94, 326,212.92 and 99,066.24 is: 148,662.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,382.94 : 326,212.92 = 99,066.24 : x
  2. Step 2: Convert to fraction form
    217,382.94/326,212.92 = 99,066.24/x
  3. Step 3: Cross multiply
    217,382.94x = 326,212.92 × 99,066.24
  4. Step 4: Simplify right side
    217,382.94x = 32,316,687,423.82
  5. Step 5: Solve for x
    x = 32,316,687,423.82/217,382.94
  6. Step 6: Final answer
    x = 148,662.48

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