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Finding the Fourth Proportional to 151,561.44, 227,396.79 and 64,971.09

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Solution

The fourth proportional to 151,561.44, 227,396.79 and 64,971.09 is: 97,480.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,561.44 : 227,396.79 = 64,971.09 : x
  2. Step 2: Convert to fraction form
    151,561.44/227,396.79 = 64,971.09/x
  3. Step 3: Cross multiply
    151,561.44x = 227,396.79 × 64,971.09
  4. Step 4: Simplify right side
    151,561.44x = 14,774,217,308.80
  5. Step 5: Solve for x
    x = 14,774,217,308.80/151,561.44
  6. Step 6: Final answer
    x = 97,480.05

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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.