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Finding the Fourth Proportional to 248,062.66, 371,666.03 and 135,823.66

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Solution

The fourth proportional to 248,062.66, 371,666.03 and 135,823.66 is: 203,501.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,062.66 : 371,666.03 = 135,823.66 : x
  2. Step 2: Convert to fraction form
    248,062.66/371,666.03 = 135,823.66/x
  3. Step 3: Cross multiply
    248,062.66x = 371,666.03 × 135,823.66
  4. Step 4: Simplify right side
    248,062.66x = 50,481,040,492.27
  5. Step 5: Solve for x
    x = 50,481,040,492.27/248,062.66
  6. Step 6: Final answer
    x = 203,501.17

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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.