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Finding the Fourth Proportional to 64,191.75, 96,302.21 and 34,608.93

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Solution

The fourth proportional to 64,191.75, 96,302.21 and 34,608.93 is: 51,921.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,191.75 : 96,302.21 = 34,608.93 : x
  2. Step 2: Convert to fraction form
    64,191.75/96,302.21 = 34,608.93/x
  3. Step 3: Cross multiply
    64,191.75x = 96,302.21 × 34,608.93
  4. Step 4: Simplify right side
    64,191.75x = 3,332,916,271.69
  5. Step 5: Solve for x
    x = 3,332,916,271.69/64,191.75
  6. Step 6: Final answer
    x = 51,921.26

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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.