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Finding the Fourth Proportional to 192,622.16, 265,813.46 and 106,578.90

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Solution

The fourth proportional to 192,622.16, 265,813.46 and 106,578.90 is: 147,076.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,622.16 : 265,813.46 = 106,578.90 : x
  2. Step 2: Convert to fraction form
    192,622.16/265,813.46 = 106,578.90/x
  3. Step 3: Cross multiply
    192,622.16x = 265,813.46 × 106,578.90
  4. Step 4: Simplify right side
    192,622.16x = 28,330,106,171.99
  5. Step 5: Solve for x
    x = 28,330,106,171.99/192,622.16
  6. Step 6: Final answer
    x = 147,076.05

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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.