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Finding the Fourth Proportional to 197,655.69, 296,538.90 and 79,410.07

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Solution

The fourth proportional to 197,655.69, 296,538.90 and 79,410.07 is: 119,137.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,655.69 : 296,538.90 = 79,410.07 : x
  2. Step 2: Convert to fraction form
    197,655.69/296,538.90 = 79,410.07/x
  3. Step 3: Cross multiply
    197,655.69x = 296,538.90 × 79,410.07
  4. Step 4: Simplify right side
    197,655.69x = 23,548,174,806.72
  5. Step 5: Solve for x
    x = 23,548,174,806.72/197,655.69
  6. Step 6: Final answer
    x = 119,137.35

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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.