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Finding the Fourth Proportional to 228,590.28, 342,940.14 and 95,396.44

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Solution

The fourth proportional to 228,590.28, 342,940.14 and 95,396.44 is: 143,117.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,590.28 : 342,940.14 = 95,396.44 : x
  2. Step 2: Convert to fraction form
    228,590.28/342,940.14 = 95,396.44/x
  3. Step 3: Cross multiply
    228,590.28x = 342,940.14 × 95,396.44
  4. Step 4: Simplify right side
    228,590.28x = 32,715,268,489.10
  5. Step 5: Solve for x
    x = 32,715,268,489.10/228,590.28
  6. Step 6: Final answer
    x = 143,117.50

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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.