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Finding the Fourth Proportional to 76,117.92, 114,134.96 and 23,512.80

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Solution

The fourth proportional to 76,117.92, 114,134.96 and 23,512.80 is: 35,256.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,117.92 : 114,134.96 = 23,512.80 : x
  2. Step 2: Convert to fraction form
    76,117.92/114,134.96 = 23,512.80/x
  3. Step 3: Cross multiply
    76,117.92x = 114,134.96 × 23,512.80
  4. Step 4: Simplify right side
    76,117.92x = 2,683,632,487.49
  5. Step 5: Solve for x
    x = 2,683,632,487.49/76,117.92
  6. Step 6: Final answer
    x = 35,256.25

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1.5x scale

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.