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Finding the Fourth Proportional to 196,800.80, 294,763.80 and 161,808.80

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Solution

The fourth proportional to 196,800.80, 294,763.80 and 161,808.80 is: 242,353.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,800.80 : 294,763.80 = 161,808.80 : x
  2. Step 2: Convert to fraction form
    196,800.80/294,763.80 = 161,808.80/x
  3. Step 3: Cross multiply
    196,800.80x = 294,763.80 × 161,808.80
  4. Step 4: Simplify right side
    196,800.80x = 47,695,376,761.44
  5. Step 5: Solve for x
    x = 47,695,376,761.44/196,800.80
  6. Step 6: Final answer
    x = 242,353.57

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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.