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Finding the Fourth Proportional to 267,142.86, 400,861.85 and 148,880.84

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Solution

The fourth proportional to 267,142.86, 400,861.85 and 148,880.84 is: 223,403.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,142.86 : 400,861.85 = 148,880.84 : x
  2. Step 2: Convert to fraction form
    267,142.86/400,861.85 = 148,880.84/x
  3. Step 3: Cross multiply
    267,142.86x = 400,861.85 × 148,880.84
  4. Step 4: Simplify right side
    267,142.86x = 59,680,646,203.24
  5. Step 5: Solve for x
    x = 59,680,646,203.24/267,142.86
  6. Step 6: Final answer
    x = 223,403.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.