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Finding the Fourth Proportional to 196,967.88, 271,818.90 and 107,543.88

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Solution

The fourth proportional to 196,967.88, 271,818.90 and 107,543.88 is: 148,412.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,967.88 : 271,818.90 = 107,543.88 : x
  2. Step 2: Convert to fraction form
    196,967.88/271,818.90 = 107,543.88/x
  3. Step 3: Cross multiply
    196,967.88x = 271,818.90 × 107,543.88
  4. Step 4: Simplify right side
    196,967.88x = 29,232,459,163.33
  5. Step 5: Solve for x
    x = 29,232,459,163.33/196,967.88
  6. Step 6: Final answer
    x = 148,412.32

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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.