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Finding the Fourth Proportional to 68,514.68, 94,565.51 and 41,651.50

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Solution

The fourth proportional to 68,514.68, 94,565.51 and 41,651.50 is: 57,488.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,514.68 : 94,565.51 = 41,651.50 : x
  2. Step 2: Convert to fraction form
    68,514.68/94,565.51 = 41,651.50/x
  3. Step 3: Cross multiply
    68,514.68x = 94,565.51 × 41,651.50
  4. Step 4: Simplify right side
    68,514.68x = 3,938,795,339.77
  5. Step 5: Solve for x
    x = 3,938,795,339.77/68,514.68
  6. Step 6: Final answer
    x = 57,488.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.