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Finding the Fourth Proportional to 171,009.72, 235,992.69 and 95,558.22

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Solution

The fourth proportional to 171,009.72, 235,992.69 and 95,558.22 is: 131,869.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,009.72 : 235,992.69 = 95,558.22 : x
  2. Step 2: Convert to fraction form
    171,009.72/235,992.69 = 95,558.22/x
  3. Step 3: Cross multiply
    171,009.72x = 235,992.69 × 95,558.22
  4. Step 4: Simplify right side
    171,009.72x = 22,551,041,389.41
  5. Step 5: Solve for x
    x = 22,551,041,389.41/171,009.72
  6. Step 6: Final answer
    x = 131,869.94

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1.5x scale

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.