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Finding the Fourth Proportional to 192,404.54, 265,513.67 and 107,538.01

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Solution

The fourth proportional to 192,404.54, 265,513.67 and 107,538.01 is: 148,399.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,404.54 : 265,513.67 = 107,538.01 : x
  2. Step 2: Convert to fraction form
    192,404.54/265,513.67 = 107,538.01/x
  3. Step 3: Cross multiply
    192,404.54x = 265,513.67 × 107,538.01
  4. Step 4: Simplify right side
    192,404.54x = 28,552,811,699.60
  5. Step 5: Solve for x
    x = 28,552,811,699.60/192,404.54
  6. Step 6: Final answer
    x = 148,399.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.