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Finding the Fourth Proportional to 199,107.65, 298,503.59 and 104,319.65

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Solution

The fourth proportional to 199,107.65, 298,503.59 and 104,319.65 is: 156,396.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,107.65 : 298,503.59 = 104,319.65 : x
  2. Step 2: Convert to fraction form
    199,107.65/298,503.59 = 104,319.65/x
  3. Step 3: Cross multiply
    199,107.65x = 298,503.59 × 104,319.65
  4. Step 4: Simplify right side
    199,107.65x = 31,139,788,018.43
  5. Step 5: Solve for x
    x = 31,139,788,018.43/199,107.65
  6. Step 6: Final answer
    x = 156,396.75

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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.