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Finding the Fourth Proportional to 123,683.76, 170,578.10 and 95,072.74

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Solution

The fourth proportional to 123,683.76, 170,578.10 and 95,072.74 is: 131,119.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,683.76 : 170,578.10 = 95,072.74 : x
  2. Step 2: Convert to fraction form
    123,683.76/170,578.10 = 95,072.74/x
  3. Step 3: Cross multiply
    123,683.76x = 170,578.10 × 95,072.74
  4. Step 4: Simplify right side
    123,683.76x = 16,217,327,162.23
  5. Step 5: Solve for x
    x = 16,217,327,162.23/123,683.76
  6. Step 6: Final answer
    x = 131,119.29

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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.