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Finding the Fourth Proportional to 162,800.80, 244,274.10 and 74,008.60

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Solution

The fourth proportional to 162,800.80, 244,274.10 and 74,008.60 is: 111,046.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,800.80 : 244,274.10 = 74,008.60 : x
  2. Step 2: Convert to fraction form
    162,800.80/244,274.10 = 74,008.60/x
  3. Step 3: Cross multiply
    162,800.80x = 244,274.10 × 74,008.60
  4. Step 4: Simplify right side
    162,800.80x = 18,078,384,157.26
  5. Step 5: Solve for x
    x = 18,078,384,157.26/162,800.80
  6. Step 6: Final answer
    x = 111,046.04

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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.