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Finding the Fourth Proportional to 106,816.69, 160,223.28 and 43,622.92

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Solution

The fourth proportional to 106,816.69, 160,223.28 and 43,622.92 is: 65,433.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,816.69 : 160,223.28 = 43,622.92 : x
  2. Step 2: Convert to fraction form
    106,816.69/160,223.28 = 43,622.92/x
  3. Step 3: Cross multiply
    106,816.69x = 160,223.28 × 43,622.92
  4. Step 4: Simplify right side
    106,816.69x = 6,989,407,325.58
  5. Step 5: Solve for x
    x = 6,989,407,325.58/106,816.69
  6. Step 6: Final answer
    x = 65,433.66

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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.