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Finding the Fourth Proportional to 69,181.89, 103,854.84 and 58,225.02

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Solution

The fourth proportional to 69,181.89, 103,854.84 and 58,225.02 is: 87,406.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,181.89 : 103,854.84 = 58,225.02 : x
  2. Step 2: Convert to fraction form
    69,181.89/103,854.84 = 58,225.02/x
  3. Step 3: Cross multiply
    69,181.89x = 103,854.84 × 58,225.02
  4. Step 4: Simplify right side
    69,181.89x = 6,046,950,136.10
  5. Step 5: Solve for x
    x = 6,046,950,136.10/69,181.89
  6. Step 6: Final answer
    x = 87,406.55

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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.