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Finding the Fourth Proportional to 68,505.31, 94,566.47 and 41,656.44

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Solution

The fourth proportional to 68,505.31, 94,566.47 and 41,656.44 is: 57,503.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,505.31 : 94,566.47 = 41,656.44 : x
  2. Step 2: Convert to fraction form
    68,505.31/94,566.47 = 41,656.44/x
  3. Step 3: Cross multiply
    68,505.31x = 94,566.47 × 41,656.44
  4. Step 4: Simplify right side
    68,505.31x = 3,939,302,483.57
  5. Step 5: Solve for x
    x = 3,939,302,483.57/68,505.31
  6. Step 6: Final answer
    x = 57,503.61

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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.