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Finding the Fourth Proportional to 248,878.12, 373,211.88 and 136,526.26

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Solution

The fourth proportional to 248,878.12, 373,211.88 and 136,526.26 is: 204,731.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,878.12 : 373,211.88 = 136,526.26 : x
  2. Step 2: Convert to fraction form
    248,878.12/373,211.88 = 136,526.26/x
  3. Step 3: Cross multiply
    248,878.12x = 373,211.88 × 136,526.26
  4. Step 4: Simplify right side
    248,878.12x = 50,953,222,163.97
  5. Step 5: Solve for x
    x = 50,953,222,163.97/248,878.12
  6. Step 6: Final answer
    x = 204,731.63

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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.