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Finding the Fourth Proportional to 68,353.96, 94,317.14 and 45,656.54

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Solution

The fourth proportional to 68,353.96, 94,317.14 and 45,656.54 is: 62,998.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,353.96 : 94,317.14 = 45,656.54 : x
  2. Step 2: Convert to fraction form
    68,353.96/94,317.14 = 45,656.54/x
  3. Step 3: Cross multiply
    68,353.96x = 94,317.14 × 45,656.54
  4. Step 4: Simplify right side
    68,353.96x = 4,306,194,275.10
  5. Step 5: Solve for x
    x = 4,306,194,275.10/68,353.96
  6. Step 6: Final answer
    x = 62,998.46

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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.