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Finding the Fourth Proportional to 93,213.32, 139,796.48 and 26,653.80

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Solution

The fourth proportional to 93,213.32, 139,796.48 and 26,653.80 is: 39,973.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,213.32 : 139,796.48 = 26,653.80 : x
  2. Step 2: Convert to fraction form
    93,213.32/139,796.48 = 26,653.80/x
  3. Step 3: Cross multiply
    93,213.32x = 139,796.48 × 26,653.80
  4. Step 4: Simplify right side
    93,213.32x = 3,726,107,418.62
  5. Step 5: Solve for x
    x = 3,726,107,418.62/93,213.32
  6. Step 6: Final answer
    x = 39,973.98

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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.