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Finding the Fourth Proportional to 199,513.40, 299,101.55 and 92,842.30

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Solution

The fourth proportional to 199,513.40, 299,101.55 and 92,842.30 is: 139,185.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,513.40 : 299,101.55 = 92,842.30 : x
  2. Step 2: Convert to fraction form
    199,513.40/299,101.55 = 92,842.30/x
  3. Step 3: Cross multiply
    199,513.40x = 299,101.55 × 92,842.30
  4. Step 4: Simplify right side
    199,513.40x = 27,769,275,745.23
  5. Step 5: Solve for x
    x = 27,769,275,745.23/199,513.40
  6. Step 6: Final answer
    x = 139,185.02

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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.