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Finding the Fourth Proportional to 231,199.75, 346,799.63 and 64,987.75

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Solution

The fourth proportional to 231,199.75, 346,799.63 and 64,987.75 is: 97,481.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,199.75 : 346,799.63 = 64,987.75 : x
  2. Step 2: Convert to fraction form
    231,199.75/346,799.63 = 64,987.75/x
  3. Step 3: Cross multiply
    231,199.75x = 346,799.63 × 64,987.75
  4. Step 4: Simplify right side
    231,199.75x = 22,537,727,654.53
  5. Step 5: Solve for x
    x = 22,537,727,654.53/231,199.75
  6. Step 6: Final answer
    x = 97,481.63

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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.