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Finding the Fourth Proportional to 183,538.54, 275,254.56 and 76,919.71

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Solution

The fourth proportional to 183,538.54, 275,254.56 and 76,919.71 is: 115,357.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,538.54 : 275,254.56 = 76,919.71 : x
  2. Step 2: Convert to fraction form
    183,538.54/275,254.56 = 76,919.71/x
  3. Step 3: Cross multiply
    183,538.54x = 275,254.56 × 76,919.71
  4. Step 4: Simplify right side
    183,538.54x = 21,172,499,954.79
  5. Step 5: Solve for x
    x = 21,172,499,954.79/183,538.54
  6. Step 6: Final answer
    x = 115,357.24

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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.