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Finding the Fourth Proportional to 196,252.80, 294,379.20 and 117,520.80

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Solution

The fourth proportional to 196,252.80, 294,379.20 and 117,520.80 is: 176,281.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,252.80 : 294,379.20 = 117,520.80 : x
  2. Step 2: Convert to fraction form
    196,252.80/294,379.20 = 117,520.80/x
  3. Step 3: Cross multiply
    196,252.80x = 294,379.20 × 117,520.80
  4. Step 4: Simplify right side
    196,252.80x = 34,595,679,087.36
  5. Step 5: Solve for x
    x = 34,595,679,087.36/196,252.80
  6. Step 6: Final answer
    x = 176,281.20

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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.