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Finding the Fourth Proportional to 106,392.54, 146,820.14 and 58,644.86

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Solution

The fourth proportional to 106,392.54, 146,820.14 and 58,644.86 is: 80,929.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,392.54 : 146,820.14 = 58,644.86 : x
  2. Step 2: Convert to fraction form
    106,392.54/146,820.14 = 58,644.86/x
  3. Step 3: Cross multiply
    106,392.54x = 146,820.14 × 58,644.86
  4. Step 4: Simplify right side
    106,392.54x = 8,610,245,528.16
  5. Step 5: Solve for x
    x = 8,610,245,528.16/106,392.54
  6. Step 6: Final answer
    x = 80,929.03

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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.