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Finding the Fourth Proportional to 228,661.36, 342,992.04 and 95,469.10

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Solution

The fourth proportional to 228,661.36, 342,992.04 and 95,469.10 is: 143,203.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,661.36 : 342,992.04 = 95,469.10 : x
  2. Step 2: Convert to fraction form
    228,661.36/342,992.04 = 95,469.10/x
  3. Step 3: Cross multiply
    228,661.36x = 342,992.04 × 95,469.10
  4. Step 4: Simplify right side
    228,661.36x = 32,745,141,365.96
  5. Step 5: Solve for x
    x = 32,745,141,365.96/228,661.36
  6. Step 6: Final answer
    x = 143,203.65

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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.