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Finding the Fourth Proportional to 202,274.72, 279,244.04 and 147,765.68

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Solution

The fourth proportional to 202,274.72, 279,244.04 and 147,765.68 is: 203,993.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,274.72 : 279,244.04 = 147,765.68 : x
  2. Step 2: Convert to fraction form
    202,274.72/279,244.04 = 147,765.68/x
  3. Step 3: Cross multiply
    202,274.72x = 279,244.04 × 147,765.68
  4. Step 4: Simplify right side
    202,274.72x = 41,262,685,456.55
  5. Step 5: Solve for x
    x = 41,262,685,456.55/202,274.72
  6. Step 6: Final answer
    x = 203,993.29

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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.