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Finding the Fourth Proportional to 84,287.88, 116,321.94 and 46,561.32

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Solution

The fourth proportional to 84,287.88, 116,321.94 and 46,561.32 is: 64,257.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,287.88 : 116,321.94 = 46,561.32 : x
  2. Step 2: Convert to fraction form
    84,287.88/116,321.94 = 46,561.32/x
  3. Step 3: Cross multiply
    84,287.88x = 116,321.94 × 46,561.32
  4. Step 4: Simplify right side
    84,287.88x = 5,416,103,071.36
  5. Step 5: Solve for x
    x = 5,416,103,071.36/84,287.88
  6. Step 6: Final answer
    x = 64,257.20

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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.