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Finding the Fourth Proportional to 217,566.61, 326,341.71 and 59,790.96

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Solution

The fourth proportional to 217,566.61, 326,341.71 and 59,790.96 is: 89,684.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,566.61 : 326,341.71 = 59,790.96 : x
  2. Step 2: Convert to fraction form
    217,566.61/326,341.71 = 59,790.96/x
  3. Step 3: Cross multiply
    217,566.61x = 326,341.71 × 59,790.96
  4. Step 4: Simplify right side
    217,566.61x = 19,512,284,128.94
  5. Step 5: Solve for x
    x = 19,512,284,128.94/217,566.61
  6. Step 6: Final answer
    x = 89,684.19

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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.