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Finding the Fourth Proportional to 93,976.80, 140,963.36 and 22,899.84

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Solution

The fourth proportional to 93,976.80, 140,963.36 and 22,899.84 is: 34,349.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,976.80 : 140,963.36 = 22,899.84 : x
  2. Step 2: Convert to fraction form
    93,976.80/140,963.36 = 22,899.84/x
  3. Step 3: Cross multiply
    93,976.80x = 140,963.36 × 22,899.84
  4. Step 4: Simplify right side
    93,976.80x = 3,228,038,389.86
  5. Step 5: Solve for x
    x = 3,228,038,389.86/93,976.80
  6. Step 6: Final answer
    x = 34,349.31

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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.