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Finding the Fourth Proportional to 192,507.48, 288,892.44 and 115,635.24

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Solution

The fourth proportional to 192,507.48, 288,892.44 and 115,635.24 is: 173,531.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,507.48 : 288,892.44 = 115,635.24 : x
  2. Step 2: Convert to fraction form
    192,507.48/288,892.44 = 115,635.24/x
  3. Step 3: Cross multiply
    192,507.48x = 288,892.44 × 115,635.24
  4. Step 4: Simplify right side
    192,507.48x = 33,406,146,633.59
  5. Step 5: Solve for x
    x = 33,406,146,633.59/192,507.48
  6. Step 6: Final answer
    x = 173,531.68

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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.