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Finding the Fourth Proportional to 196,994.97, 295,521.62 and 72,326.25

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Solution

The fourth proportional to 196,994.97, 295,521.62 and 72,326.25 is: 108,500.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,994.97 : 295,521.62 = 72,326.25 : x
  2. Step 2: Convert to fraction form
    196,994.97/295,521.62 = 72,326.25/x
  3. Step 3: Cross multiply
    196,994.97x = 295,521.62 × 72,326.25
  4. Step 4: Simplify right side
    196,994.97x = 21,373,970,206.89
  5. Step 5: Solve for x
    x = 21,373,970,206.89/196,994.97
  6. Step 6: Final answer
    x = 108,500.08

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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.