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Finding the Fourth Proportional to 267,874.84, 369,575.50 and 153,071

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Solution

The fourth proportional to 267,874.84, 369,575.50 and 153,071 is: 211,185.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,874.84 : 369,575.50 = 153,071 : x
  2. Step 2: Convert to fraction form
    267,874.84/369,575.50 = 153,071/x
  3. Step 3: Cross multiply
    267,874.84x = 369,575.50 × 153,071
  4. Step 4: Simplify right side
    267,874.84x = 56,571,291,360.50
  5. Step 5: Solve for x
    x = 56,571,291,360.50/267,874.84
  6. Step 6: Final answer
    x = 211,185.53

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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.