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Finding the Fourth Proportional to 93,668.78, 140,520.51 and 29,643.05

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Solution

The fourth proportional to 93,668.78, 140,520.51 and 29,643.05 is: 44,470.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,668.78 : 140,520.51 = 29,643.05 : x
  2. Step 2: Convert to fraction form
    93,668.78/140,520.51 = 29,643.05/x
  3. Step 3: Cross multiply
    93,668.78x = 140,520.51 × 29,643.05
  4. Step 4: Simplify right side
    93,668.78x = 4,165,456,503.96
  5. Step 5: Solve for x
    x = 4,165,456,503.96/93,668.78
  6. Step 6: Final answer
    x = 44,470.06

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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.