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Finding the Fourth Proportional to 192,858.12, 289,287.14 and 59,739.48

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Solution

The fourth proportional to 192,858.12, 289,287.14 and 59,739.48 is: 89,609.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,858.12 : 289,287.14 = 59,739.48 : x
  2. Step 2: Convert to fraction form
    192,858.12/289,287.14 = 59,739.48/x
  3. Step 3: Cross multiply
    192,858.12x = 289,287.14 × 59,739.48
  4. Step 4: Simplify right side
    192,858.12x = 17,281,863,314.29
  5. Step 5: Solve for x
    x = 17,281,863,314.29/192,858.12
  6. Step 6: Final answer
    x = 89,609.21

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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.