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Finding the Fourth Proportional to 106,571.90, 147,004.67 and 63,522.71

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Solution

The fourth proportional to 106,571.90, 147,004.67 and 63,522.71 is: 87,622.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,571.90 : 147,004.67 = 63,522.71 : x
  2. Step 2: Convert to fraction form
    106,571.90/147,004.67 = 63,522.71/x
  3. Step 3: Cross multiply
    106,571.90x = 147,004.67 × 63,522.71
  4. Step 4: Simplify right side
    106,571.90x = 9,338,134,582.66
  5. Step 5: Solve for x
    x = 9,338,134,582.66/106,571.90
  6. Step 6: Final answer
    x = 87,622.86

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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.