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Finding the Fourth Proportional to 196,609.80, 294,914.70 and 181,403.40

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Solution

The fourth proportional to 196,609.80, 294,914.70 and 181,403.40 is: 272,105.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,609.80 : 294,914.70 = 181,403.40 : x
  2. Step 2: Convert to fraction form
    196,609.80/294,914.70 = 181,403.40/x
  3. Step 3: Cross multiply
    196,609.80x = 294,914.70 × 181,403.40
  4. Step 4: Simplify right side
    196,609.80x = 53,498,529,289.98
  5. Step 5: Solve for x
    x = 53,498,529,289.98/196,609.80
  6. Step 6: Final answer
    x = 272,105.10

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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.