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Finding the Fourth Proportional to 250,803.18, 346,103.85 and 141,906.39

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Solution

The fourth proportional to 250,803.18, 346,103.85 and 141,906.39 is: 195,828.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,803.18 : 346,103.85 = 141,906.39 : x
  2. Step 2: Convert to fraction form
    250,803.18/346,103.85 = 141,906.39/x
  3. Step 3: Cross multiply
    250,803.18x = 346,103.85 × 141,906.39
  4. Step 4: Simplify right side
    250,803.18x = 49,114,347,918.60
  5. Step 5: Solve for x
    x = 49,114,347,918.60/250,803.18
  6. Step 6: Final answer
    x = 195,828.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.