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Finding the Fourth Proportional to 267,241.70, 368,824.66 and 154,068.50

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Solution

The fourth proportional to 267,241.70, 368,824.66 and 154,068.50 is: 212,632.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,241.70 : 368,824.66 = 154,068.50 : x
  2. Step 2: Convert to fraction form
    267,241.70/368,824.66 = 154,068.50/x
  3. Step 3: Cross multiply
    267,241.70x = 368,824.66 × 154,068.50
  4. Step 4: Simplify right side
    267,241.70x = 56,824,262,129.21
  5. Step 5: Solve for x
    x = 56,824,262,129.21/267,241.70
  6. Step 6: Final answer
    x = 212,632.47

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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.