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Finding the Fourth Proportional to 156,274.94, 234,418.88 and 45,466.94

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Solution

The fourth proportional to 156,274.94, 234,418.88 and 45,466.94 is: 68,202.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,274.94 : 234,418.88 = 45,466.94 : x
  2. Step 2: Convert to fraction form
    156,274.94/234,418.88 = 45,466.94/x
  3. Step 3: Cross multiply
    156,274.94x = 234,418.88 × 45,466.94
  4. Step 4: Simplify right side
    156,274.94x = 10,658,309,151.83
  5. Step 5: Solve for x
    x = 10,658,309,151.83/156,274.94
  6. Step 6: Final answer
    x = 68,202.29

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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.