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Finding the Fourth Proportional to 196,286.76, 270,720.90 and 165,551.40

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Solution

The fourth proportional to 196,286.76, 270,720.90 and 165,551.40 is: 228,330.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,286.76 : 270,720.90 = 165,551.40 : x
  2. Step 2: Convert to fraction form
    196,286.76/270,720.90 = 165,551.40/x
  3. Step 3: Cross multiply
    196,286.76x = 270,720.90 × 165,551.40
  4. Step 4: Simplify right side
    196,286.76x = 44,818,224,004.26
  5. Step 5: Solve for x
    x = 44,818,224,004.26/196,286.76
  6. Step 6: Final answer
    x = 228,330.35

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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.