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Finding the Fourth Proportional to 93,393.50, 140,058.05 and 30,197.43

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Solution

The fourth proportional to 93,393.50, 140,058.05 and 30,197.43 is: 45,285.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,393.50 : 140,058.05 = 30,197.43 : x
  2. Step 2: Convert to fraction form
    93,393.50/140,058.05 = 30,197.43/x
  3. Step 3: Cross multiply
    93,393.50x = 140,058.05 × 30,197.43
  4. Step 4: Simplify right side
    93,393.50x = 4,229,393,009.82
  5. Step 5: Solve for x
    x = 4,229,393,009.82/93,393.50
  6. Step 6: Final answer
    x = 45,285.73

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1.5x scale

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.