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Finding the Fourth Proportional to 373,301.76, 559,837.60 and 106,990.88

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Solution

The fourth proportional to 373,301.76, 559,837.60 and 106,990.88 is: 160,453.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,301.76 : 559,837.60 = 106,990.88 : x
  2. Step 2: Convert to fraction form
    373,301.76/559,837.60 = 106,990.88/x
  3. Step 3: Cross multiply
    373,301.76x = 559,837.60 × 106,990.88
  4. Step 4: Simplify right side
    373,301.76x = 59,897,517,481.09
  5. Step 5: Solve for x
    x = 59,897,517,481.09/373,301.76
  6. Step 6: Final answer
    x = 160,453.35

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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.