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Finding the Fourth Proportional to 84,061.62, 116,004.26 and 45,821.16

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Solution

The fourth proportional to 84,061.62, 116,004.26 and 45,821.16 is: 63,232.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,061.62 : 116,004.26 = 45,821.16 : x
  2. Step 2: Convert to fraction form
    84,061.62/116,004.26 = 45,821.16/x
  3. Step 3: Cross multiply
    84,061.62x = 116,004.26 × 45,821.16
  4. Step 4: Simplify right side
    84,061.62x = 5,315,449,758.14
  5. Step 5: Solve for x
    x = 5,315,449,758.14/84,061.62
  6. Step 6: Final answer
    x = 63,232.78

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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.