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Finding the Fourth Proportional to 350,842.14, 526,258.56 and 84,600.54

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Solution

The fourth proportional to 350,842.14, 526,258.56 and 84,600.54 is: 126,899.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,842.14 : 526,258.56 = 84,600.54 : x
  2. Step 2: Convert to fraction form
    350,842.14/526,258.56 = 84,600.54/x
  3. Step 3: Cross multiply
    350,842.14x = 526,258.56 × 84,600.54
  4. Step 4: Simplify right side
    350,842.14x = 44,521,758,355.62
  5. Step 5: Solve for x
    x = 44,521,758,355.62/350,842.14
  6. Step 6: Final answer
    x = 126,899.69

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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.