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Finding the Fourth Proportional to 107,134.58, 160,683.60 and 28,249.58

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Solution

The fourth proportional to 107,134.58, 160,683.60 and 28,249.58 is: 42,369.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,134.58 : 160,683.60 = 28,249.58 : x
  2. Step 2: Convert to fraction form
    107,134.58/160,683.60 = 28,249.58/x
  3. Step 3: Cross multiply
    107,134.58x = 160,683.60 × 28,249.58
  4. Step 4: Simplify right side
    107,134.58x = 4,539,244,212.89
  5. Step 5: Solve for x
    x = 4,539,244,212.89/107,134.58
  6. Step 6: Final answer
    x = 42,369.55

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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.