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Finding the Fourth Proportional to 104,846.67, 144,702.68 and 61,838.33

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Solution

The fourth proportional to 104,846.67, 144,702.68 and 61,838.33 is: 85,345.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,846.67 : 144,702.68 = 61,838.33 : x
  2. Step 2: Convert to fraction form
    104,846.67/144,702.68 = 61,838.33/x
  3. Step 3: Cross multiply
    104,846.67x = 144,702.68 × 61,838.33
  4. Step 4: Simplify right side
    104,846.67x = 8,948,171,045.02
  5. Step 5: Solve for x
    x = 8,948,171,045.02/104,846.67
  6. Step 6: Final answer
    x = 85,345.31

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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.