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Finding the Fourth Proportional to 106,969.92, 147,612.24 and 59,220.48

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Solution

The fourth proportional to 106,969.92, 147,612.24 and 59,220.48 is: 81,720.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,969.92 : 147,612.24 = 59,220.48 : x
  2. Step 2: Convert to fraction form
    106,969.92/147,612.24 = 59,220.48/x
  3. Step 3: Cross multiply
    106,969.92x = 147,612.24 × 59,220.48
  4. Step 4: Simplify right side
    106,969.92x = 8,741,667,706.68
  5. Step 5: Solve for x
    x = 8,741,667,706.68/106,969.92
  6. Step 6: Final answer
    x = 81,720.80

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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.