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Finding the Fourth Proportional to 227,601.10, 341,401.65 and 156,742.30

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Solution

The fourth proportional to 227,601.10, 341,401.65 and 156,742.30 is: 235,113.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,601.10 : 341,401.65 = 156,742.30 : x
  2. Step 2: Convert to fraction form
    227,601.10/341,401.65 = 156,742.30/x
  3. Step 3: Cross multiply
    227,601.10x = 341,401.65 × 156,742.30
  4. Step 4: Simplify right side
    227,601.10x = 53,512,079,844.80
  5. Step 5: Solve for x
    x = 53,512,079,844.80/227,601.10
  6. Step 6: Final answer
    x = 235,113.45

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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.