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Finding the Fourth Proportional to 299,861.08, 449,570.08 and 141,904.60

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Solution

The fourth proportional to 299,861.08, 449,570.08 and 141,904.60 is: 212,752.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,861.08 : 449,570.08 = 141,904.60 : x
  2. Step 2: Convert to fraction form
    299,861.08/449,570.08 = 141,904.60/x
  3. Step 3: Cross multiply
    299,861.08x = 449,570.08 × 141,904.60
  4. Step 4: Simplify right side
    299,861.08x = 63,796,062,374.37
  5. Step 5: Solve for x
    x = 63,796,062,374.37/299,861.08
  6. Step 6: Final answer
    x = 212,752.06

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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.