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Finding the Fourth Proportional to 199,602.06, 299,473.92 and 124,635.30

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Solution

The fourth proportional to 199,602.06, 299,473.92 and 124,635.30 is: 186,997.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,602.06 : 299,473.92 = 124,635.30 : x
  2. Step 2: Convert to fraction form
    199,602.06/299,473.92 = 124,635.30/x
  3. Step 3: Cross multiply
    199,602.06x = 299,473.92 × 124,635.30
  4. Step 4: Simplify right side
    199,602.06x = 37,325,021,861.38
  5. Step 5: Solve for x
    x = 37,325,021,861.38/199,602.06
  6. Step 6: Final answer
    x = 186,997.18

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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.