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Finding the Fourth Proportional to 196,777.48, 271,552.02 and 107,353.48

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Solution

The fourth proportional to 196,777.48, 271,552.02 and 107,353.48 is: 148,147.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,777.48 : 271,552.02 = 107,353.48 : x
  2. Step 2: Convert to fraction form
    196,777.48/271,552.02 = 107,353.48/x
  3. Step 3: Cross multiply
    196,777.48x = 271,552.02 × 107,353.48
  4. Step 4: Simplify right side
    196,777.48x = 29,152,054,348.03
  5. Step 5: Solve for x
    x = 29,152,054,348.03/196,777.48
  6. Step 6: Final answer
    x = 148,147.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.