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Finding the Fourth Proportional to 64,115.56, 96,174.06 and 19,741.96

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Solution

The fourth proportional to 64,115.56, 96,174.06 and 19,741.96 is: 29,613.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,115.56 : 96,174.06 = 19,741.96 : x
  2. Step 2: Convert to fraction form
    64,115.56/96,174.06 = 19,741.96/x
  3. Step 3: Cross multiply
    64,115.56x = 96,174.06 × 19,741.96
  4. Step 4: Simplify right side
    64,115.56x = 1,898,664,445.56
  5. Step 5: Solve for x
    x = 1,898,664,445.56/64,115.56
  6. Step 6: Final answer
    x = 29,613.16

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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.