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Finding the Fourth Proportional to 171,469.93, 256,161.92 and 111,005.81

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Solution

The fourth proportional to 171,469.93, 256,161.92 and 111,005.81 is: 165,833.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,469.93 : 256,161.92 = 111,005.81 : x
  2. Step 2: Convert to fraction form
    171,469.93/256,161.92 = 111,005.81/x
  3. Step 3: Cross multiply
    171,469.93x = 256,161.92 × 111,005.81
  4. Step 4: Simplify right side
    171,469.93x = 28,435,461,420.76
  5. Step 5: Solve for x
    x = 28,435,461,420.76/171,469.93
  6. Step 6: Final answer
    x = 165,833.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.