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Finding the Fourth Proportional to 199,858.66, 299,780.84 and 50,100.18

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Solution

The fourth proportional to 199,858.66, 299,780.84 and 50,100.18 is: 75,148.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,858.66 : 299,780.84 = 50,100.18 : x
  2. Step 2: Convert to fraction form
    199,858.66/299,780.84 = 50,100.18/x
  3. Step 3: Cross multiply
    199,858.66x = 299,780.84 × 50,100.18
  4. Step 4: Simplify right side
    199,858.66x = 15,019,074,044.55
  5. Step 5: Solve for x
    x = 15,019,074,044.55/199,858.66
  6. Step 6: Final answer
    x = 75,148.48

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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.