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Finding the Fourth Proportional to 197,674.92, 272,790.23 and 107,029.01

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Solution

The fourth proportional to 197,674.92, 272,790.23 and 107,029.01 is: 147,699.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,674.92 : 272,790.23 = 107,029.01 : x
  2. Step 2: Convert to fraction form
    197,674.92/272,790.23 = 107,029.01/x
  3. Step 3: Cross multiply
    197,674.92x = 272,790.23 × 107,029.01
  4. Step 4: Simplify right side
    197,674.92x = 29,196,468,254.57
  5. Step 5: Solve for x
    x = 29,196,468,254.57/197,674.92
  6. Step 6: Final answer
    x = 147,699.41

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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.