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Finding the Fourth Proportional to 95,045.56, 142,617.98 and 68,965.56

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Solution

The fourth proportional to 95,045.56, 142,617.98 and 68,965.56 is: 103,484.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,045.56 : 142,617.98 = 68,965.56 : x
  2. Step 2: Convert to fraction form
    95,045.56/142,617.98 = 68,965.56/x
  3. Step 3: Cross multiply
    95,045.56x = 142,617.98 × 68,965.56
  4. Step 4: Simplify right side
    95,045.56x = 9,835,728,856.77
  5. Step 5: Solve for x
    x = 9,835,728,856.77/95,045.56
  6. Step 6: Final answer
    x = 103,484.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.