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Finding the Fourth Proportional to 68,429.40, 102,649.92 and 24,052.32

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Solution

The fourth proportional to 68,429.40, 102,649.92 and 24,052.32 is: 36,080.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,429.40 : 102,649.92 = 24,052.32 : x
  2. Step 2: Convert to fraction form
    68,429.40/102,649.92 = 24,052.32/x
  3. Step 3: Cross multiply
    68,429.40x = 102,649.92 × 24,052.32
  4. Step 4: Simplify right side
    68,429.40x = 2,468,968,723.81
  5. Step 5: Solve for x
    x = 2,468,968,723.81/68,429.40
  6. Step 6: Final answer
    x = 36,080.53

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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.