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Finding the Fourth Proportional to 106,393.89, 146,823.43 and 58,648.04

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Solution

The fourth proportional to 106,393.89, 146,823.43 and 58,648.04 is: 80,934.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,393.89 : 146,823.43 = 58,648.04 : x
  2. Step 2: Convert to fraction form
    106,393.89/146,823.43 = 58,648.04/x
  3. Step 3: Cross multiply
    106,393.89x = 146,823.43 × 58,648.04
  4. Step 4: Simplify right side
    106,393.89x = 8,610,905,514.84
  5. Step 5: Solve for x
    x = 8,610,905,514.84/106,393.89
  6. Step 6: Final answer
    x = 80,934.21

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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.