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Finding the Fourth Proportional to 248,060.66, 371,663.03 and 135,821.66

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Solution

The fourth proportional to 248,060.66, 371,663.03 and 135,821.66 is: 203,498.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,060.66 : 371,663.03 = 135,821.66 : x
  2. Step 2: Convert to fraction form
    248,060.66/371,663.03 = 135,821.66/x
  3. Step 3: Cross multiply
    248,060.66x = 371,663.03 × 135,821.66
  4. Step 4: Simplify right side
    248,060.66x = 50,479,887,157.81
  5. Step 5: Solve for x
    x = 50,479,887,157.81/248,060.66
  6. Step 6: Final answer
    x = 203,498.16

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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.