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Finding the Fourth Proportional to 170,145.52, 255,228.78 and 51,825.56

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Solution

The fourth proportional to 170,145.52, 255,228.78 and 51,825.56 is: 77,741.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,145.52 : 255,228.78 = 51,825.56 : x
  2. Step 2: Convert to fraction form
    170,145.52/255,228.78 = 51,825.56/x
  3. Step 3: Cross multiply
    170,145.52x = 255,228.78 × 51,825.56
  4. Step 4: Simplify right side
    170,145.52x = 13,227,374,451.62
  5. Step 5: Solve for x
    x = 13,227,374,451.62/170,145.52
  6. Step 6: Final answer
    x = 77,741.54

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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.