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Finding the Fourth Proportional to 68,895.93, 103,257.63 and 29,406.81

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Solution

The fourth proportional to 68,895.93, 103,257.63 and 29,406.81 is: 44,073.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,895.93 : 103,257.63 = 29,406.81 : x
  2. Step 2: Convert to fraction form
    68,895.93/103,257.63 = 29,406.81/x
  3. Step 3: Cross multiply
    68,895.93x = 103,257.63 × 29,406.81
  4. Step 4: Simplify right side
    68,895.93x = 3,036,477,506.46
  5. Step 5: Solve for x
    x = 3,036,477,506.46/68,895.93
  6. Step 6: Final answer
    x = 44,073.39

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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.