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Finding the Fourth Proportional to 68,695.53, 94,800.82 and 40,014.46

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Solution

The fourth proportional to 68,695.53, 94,800.82 and 40,014.46 is: 55,220.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,695.53 : 94,800.82 = 40,014.46 : x
  2. Step 2: Convert to fraction form
    68,695.53/94,800.82 = 40,014.46/x
  3. Step 3: Cross multiply
    68,695.53x = 94,800.82 × 40,014.46
  4. Step 4: Simplify right side
    68,695.53x = 3,793,403,123.82
  5. Step 5: Solve for x
    x = 3,793,403,123.82/68,695.53
  6. Step 6: Final answer
    x = 55,220.52

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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.