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Finding the Fourth Proportional to 68,999.93, 103,499.90 and 22,252.81

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Solution

The fourth proportional to 68,999.93, 103,499.90 and 22,252.81 is: 33,379.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,999.93 : 103,499.90 = 22,252.81 : x
  2. Step 2: Convert to fraction form
    68,999.93/103,499.90 = 22,252.81/x
  3. Step 3: Cross multiply
    68,999.93x = 103,499.90 × 22,252.81
  4. Step 4: Simplify right side
    68,999.93x = 2,303,163,323.15
  5. Step 5: Solve for x
    x = 2,303,163,323.15/68,999.93
  6. Step 6: Final answer
    x = 33,379.21

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1.5x scale

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.