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Finding the Fourth Proportional to 228,008.40, 342,012.60 and 94,844.40

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Solution

The fourth proportional to 228,008.40, 342,012.60 and 94,844.40 is: 142,266.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,008.40 : 342,012.60 = 94,844.40 : x
  2. Step 2: Convert to fraction form
    228,008.40/342,012.60 = 94,844.40/x
  3. Step 3: Cross multiply
    228,008.40x = 342,012.60 × 94,844.40
  4. Step 4: Simplify right side
    228,008.40x = 32,437,979,839.44
  5. Step 5: Solve for x
    x = 32,437,979,839.44/228,008.40
  6. Step 6: Final answer
    x = 142,266.60

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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.