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Finding the Fourth Proportional to 254,636.37, 351,266.40 and 172,968.84

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Solution

The fourth proportional to 254,636.37, 351,266.40 and 172,968.84 is: 238,607.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,636.37 : 351,266.40 = 172,968.84 : x
  2. Step 2: Convert to fraction form
    254,636.37/351,266.40 = 172,968.84/x
  3. Step 3: Cross multiply
    254,636.37x = 351,266.40 × 172,968.84
  4. Step 4: Simplify right side
    254,636.37x = 60,758,141,738.98
  5. Step 5: Solve for x
    x = 60,758,141,738.98/254,636.37
  6. Step 6: Final answer
    x = 238,607.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.