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Finding the Fourth Proportional to 183,181.86, 252,809.73 and 105,660.54

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Solution

The fourth proportional to 183,181.86, 252,809.73 and 105,660.54 is: 145,822.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,181.86 : 252,809.73 = 105,660.54 : x
  2. Step 2: Convert to fraction form
    183,181.86/252,809.73 = 105,660.54/x
  3. Step 3: Cross multiply
    183,181.86x = 252,809.73 × 105,660.54
  4. Step 4: Simplify right side
    183,181.86x = 26,712,012,589.05
  5. Step 5: Solve for x
    x = 26,712,012,589.05/183,181.86
  6. Step 6: Final answer
    x = 145,822.37

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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.