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Finding the Fourth Proportional to 196,682.80, 295,024.20 and 103,176.40

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Solution

The fourth proportional to 196,682.80, 295,024.20 and 103,176.40 is: 154,764.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,682.80 : 295,024.20 = 103,176.40 : x
  2. Step 2: Convert to fraction form
    196,682.80/295,024.20 = 103,176.40/x
  3. Step 3: Cross multiply
    196,682.80x = 295,024.20 × 103,176.40
  4. Step 4: Simplify right side
    196,682.80x = 30,439,534,868.88
  5. Step 5: Solve for x
    x = 30,439,534,868.88/196,682.80
  6. Step 6: Final answer
    x = 154,764.60

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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.