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Finding the Fourth Proportional to 106,334.40, 159,463.20 and 53,726.40

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Solution

The fourth proportional to 106,334.40, 159,463.20 and 53,726.40 is: 80,570.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,334.40 : 159,463.20 = 53,726.40 : x
  2. Step 2: Convert to fraction form
    106,334.40/159,463.20 = 53,726.40/x
  3. Step 3: Cross multiply
    106,334.40x = 159,463.20 × 53,726.40
  4. Step 4: Simplify right side
    106,334.40x = 8,567,383,668.48
  5. Step 5: Solve for x
    x = 8,567,383,668.48/106,334.40
  6. Step 6: Final answer
    x = 80,570.20

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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.