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Finding the Fourth Proportional to 199,566.40, 299,349.60 and 185,132.20

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Solution

The fourth proportional to 199,566.40, 299,349.60 and 185,132.20 is: 277,698.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,566.40 : 299,349.60 = 185,132.20 : x
  2. Step 2: Convert to fraction form
    199,566.40/299,349.60 = 185,132.20/x
  3. Step 3: Cross multiply
    199,566.40x = 299,349.60 × 185,132.20
  4. Step 4: Simplify right side
    199,566.40x = 55,419,250,017.12
  5. Step 5: Solve for x
    x = 55,419,250,017.12/199,566.40
  6. Step 6: Final answer
    x = 277,698.30

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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.