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Finding the Fourth Proportional to 105,229.92, 157,846.32 and 58,778.40

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Solution

The fourth proportional to 105,229.92, 157,846.32 and 58,778.40 is: 88,168.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,229.92 : 157,846.32 = 58,778.40 : x
  2. Step 2: Convert to fraction form
    105,229.92/157,846.32 = 58,778.40/x
  3. Step 3: Cross multiply
    105,229.92x = 157,846.32 × 58,778.40
  4. Step 4: Simplify right side
    105,229.92x = 9,277,954,135.49
  5. Step 5: Solve for x
    x = 9,277,954,135.49/105,229.92
  6. Step 6: Final answer
    x = 88,168.40

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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.