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Finding the Fourth Proportional to 196,250.60, 294,452.70 and 71,604.20

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Solution

The fourth proportional to 196,250.60, 294,452.70 and 71,604.20 is: 107,434.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,250.60 : 294,452.70 = 71,604.20 : x
  2. Step 2: Convert to fraction form
    196,250.60/294,452.70 = 71,604.20/x
  3. Step 3: Cross multiply
    196,250.60x = 294,452.70 × 71,604.20
  4. Step 4: Simplify right side
    196,250.60x = 21,084,050,021.34
  5. Step 5: Solve for x
    x = 21,084,050,021.34/196,250.60
  6. Step 6: Final answer
    x = 107,434.32

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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.