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Finding the Fourth Proportional to 228,840.70, 342,569.85 and 201,192.70

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Solution

The fourth proportional to 228,840.70, 342,569.85 and 201,192.70 is: 301,181.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,840.70 : 342,569.85 = 201,192.70 : x
  2. Step 2: Convert to fraction form
    228,840.70/342,569.85 = 201,192.70/x
  3. Step 3: Cross multiply
    228,840.70x = 342,569.85 × 201,192.70
  4. Step 4: Simplify right side
    228,840.70x = 68,922,553,060.10
  5. Step 5: Solve for x
    x = 68,922,553,060.10/228,840.70
  6. Step 6: Final answer
    x = 301,181.36

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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.