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Finding the Fourth Proportional to 68,798.96, 94,904.12 and 43,295.81

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Solution

The fourth proportional to 68,798.96, 94,904.12 and 43,295.81 is: 59,724.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,798.96 : 94,904.12 = 43,295.81 : x
  2. Step 2: Convert to fraction form
    68,798.96/94,904.12 = 43,295.81/x
  3. Step 3: Cross multiply
    68,798.96x = 94,904.12 × 43,295.81
  4. Step 4: Simplify right side
    68,798.96x = 4,108,950,164.98
  5. Step 5: Solve for x
    x = 4,108,950,164.98/68,798.96
  6. Step 6: Final answer
    x = 59,724.02

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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.