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Finding the Fourth Proportional to 114,593.92, 158,131.20 and 63,609.60

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Solution

The fourth proportional to 114,593.92, 158,131.20 and 63,609.60 is: 87,776.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,593.92 : 158,131.20 = 63,609.60 : x
  2. Step 2: Convert to fraction form
    114,593.92/158,131.20 = 63,609.60/x
  3. Step 3: Cross multiply
    114,593.92x = 158,131.20 × 63,609.60
  4. Step 4: Simplify right side
    114,593.92x = 10,058,662,379.52
  5. Step 5: Solve for x
    x = 10,058,662,379.52/114,593.92
  6. Step 6: Final answer
    x = 87,776.58

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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.