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Finding the Fourth Proportional to 189,992.89, 261,632.18 and 169,842.42

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Solution

The fourth proportional to 189,992.89, 261,632.18 and 169,842.42 is: 233,883.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,992.89 : 261,632.18 = 169,842.42 : x
  2. Step 2: Convert to fraction form
    189,992.89/261,632.18 = 169,842.42/x
  3. Step 3: Cross multiply
    189,992.89x = 261,632.18 × 169,842.42
  4. Step 4: Simplify right side
    189,992.89x = 44,436,242,070.32
  5. Step 5: Solve for x
    x = 44,436,242,070.32/189,992.89
  6. Step 6: Final answer
    x = 233,883.71

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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.