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Finding the Fourth Proportional to 68,999.34, 103,499.00 and 22,252.21

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Solution

The fourth proportional to 68,999.34, 103,499.00 and 22,252.21 is: 33,378.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,999.34 : 103,499.00 = 22,252.21 : x
  2. Step 2: Convert to fraction form
    68,999.34/103,499.00 = 22,252.21/x
  3. Step 3: Cross multiply
    68,999.34x = 103,499.00 × 22,252.21
  4. Step 4: Simplify right side
    68,999.34x = 2,303,081,538.42
  5. Step 5: Solve for x
    x = 2,303,081,538.42/68,999.34
  6. Step 6: Final answer
    x = 33,378.32

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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.