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Finding the Fourth Proportional to 267,346.88, 368,914.16 and 154,147.76

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Solution

The fourth proportional to 267,346.88, 368,914.16 and 154,147.76 is: 212,709.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,346.88 : 368,914.16 = 154,147.76 : x
  2. Step 2: Convert to fraction form
    267,346.88/368,914.16 = 154,147.76/x
  3. Step 3: Cross multiply
    267,346.88x = 368,914.16 × 154,147.76
  4. Step 4: Simplify right side
    267,346.88x = 56,867,291,396.28
  5. Step 5: Solve for x
    x = 56,867,291,396.28/267,346.88
  6. Step 6: Final answer
    x = 212,709.76

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1.5x scale

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.