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Finding the Fourth Proportional to 267,643.84, 369,336 and 154,503.04

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Solution

The fourth proportional to 267,643.84, 369,336 and 154,503.04 is: 213,206.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,643.84 : 369,336 = 154,503.04 : x
  2. Step 2: Convert to fraction form
    267,643.84/369,336 = 154,503.04/x
  3. Step 3: Cross multiply
    267,643.84x = 369,336 × 154,503.04
  4. Step 4: Simplify right side
    267,643.84x = 57,063,534,781.44
  5. Step 5: Solve for x
    x = 57,063,534,781.44/267,643.84
  6. Step 6: Final answer
    x = 213,206.98

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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.