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Finding the Fourth Proportional to 301,258.86, 451,891.56 and 90,898.62

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Solution

The fourth proportional to 301,258.86, 451,891.56 and 90,898.62 is: 136,348.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,258.86 : 451,891.56 = 90,898.62 : x
  2. Step 2: Convert to fraction form
    301,258.86/451,891.56 = 90,898.62/x
  3. Step 3: Cross multiply
    301,258.86x = 451,891.56 × 90,898.62
  4. Step 4: Simplify right side
    301,258.86x = 41,076,319,193.65
  5. Step 5: Solve for x
    x = 41,076,319,193.65/301,258.86
  6. Step 6: Final answer
    x = 136,348.92

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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.