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Finding the Fourth Proportional to 110,138.54, 151,992.25 and 62,390.86

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Solution

The fourth proportional to 110,138.54, 151,992.25 and 62,390.86 is: 86,099.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,138.54 : 151,992.25 = 62,390.86 : x
  2. Step 2: Convert to fraction form
    110,138.54/151,992.25 = 62,390.86/x
  3. Step 3: Cross multiply
    110,138.54x = 151,992.25 × 62,390.86
  4. Step 4: Simplify right side
    110,138.54x = 9,482,926,654.88
  5. Step 5: Solve for x
    x = 9,482,926,654.88/110,138.54
  6. Step 6: Final answer
    x = 86,099.99

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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.