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Finding the Fourth Proportional to 199,199.29, 298,798.98 and 66,089.56

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Solution

The fourth proportional to 199,199.29, 298,798.98 and 66,089.56 is: 99,134.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,199.29 : 298,798.98 = 66,089.56 : x
  2. Step 2: Convert to fraction form
    199,199.29/298,798.98 = 66,089.56/x
  3. Step 3: Cross multiply
    199,199.29x = 298,798.98 × 66,089.56
  4. Step 4: Simplify right side
    199,199.29x = 19,747,493,116.65
  5. Step 5: Solve for x
    x = 19,747,493,116.65/199,199.29
  6. Step 6: Final answer
    x = 99,134.35

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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.