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Finding the Fourth Proportional to 68,393.19, 102,540.63 and 32,349.66

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Solution

The fourth proportional to 68,393.19, 102,540.63 and 32,349.66 is: 48,501.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,393.19 : 102,540.63 = 32,349.66 : x
  2. Step 2: Convert to fraction form
    68,393.19/102,540.63 = 32,349.66/x
  3. Step 3: Cross multiply
    68,393.19x = 102,540.63 × 32,349.66
  4. Step 4: Simplify right side
    68,393.19x = 3,317,154,409.25
  5. Step 5: Solve for x
    x = 3,317,154,409.25/68,393.19
  6. Step 6: Final answer
    x = 48,501.24

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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.