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Finding the Fourth Proportional to 68,341.86, 94,354.47 and 52,395.66

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Solution

The fourth proportional to 68,341.86, 94,354.47 and 52,395.66 is: 72,338.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,341.86 : 94,354.47 = 52,395.66 : x
  2. Step 2: Convert to fraction form
    68,341.86/94,354.47 = 52,395.66/x
  3. Step 3: Cross multiply
    68,341.86x = 94,354.47 × 52,395.66
  4. Step 4: Simplify right side
    68,341.86x = 4,943,764,729.60
  5. Step 5: Solve for x
    x = 4,943,764,729.60/68,341.86
  6. Step 6: Final answer
    x = 72,338.75

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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.