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Finding the Fourth Proportional to 193,706.56, 290,561.28 and 53,462.08

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Solution

The fourth proportional to 193,706.56, 290,561.28 and 53,462.08 is: 80,193.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,706.56 : 290,561.28 = 53,462.08 : x
  2. Step 2: Convert to fraction form
    193,706.56/290,561.28 = 53,462.08/x
  3. Step 3: Cross multiply
    193,706.56x = 290,561.28 × 53,462.08
  4. Step 4: Simplify right side
    193,706.56x = 15,534,010,396.26
  5. Step 5: Solve for x
    x = 15,534,010,396.26/193,706.56
  6. Step 6: Final answer
    x = 80,193.52

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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.