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Finding the Fourth Proportional to 174,580.92, 261,864.90 and 103,992.12

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Solution

The fourth proportional to 174,580.92, 261,864.90 and 103,992.12 is: 155,984.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,580.92 : 261,864.90 = 103,992.12 : x
  2. Step 2: Convert to fraction form
    174,580.92/261,864.90 = 103,992.12/x
  3. Step 3: Cross multiply
    174,580.92x = 261,864.90 × 103,992.12
  4. Step 4: Simplify right side
    174,580.92x = 27,231,886,104.59
  5. Step 5: Solve for x
    x = 27,231,886,104.59/174,580.92
  6. Step 6: Final answer
    x = 155,984.32

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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.