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Finding the Fourth Proportional to 106,236.60, 146,607.48 and 58,491

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Solution

The fourth proportional to 106,236.60, 146,607.48 and 58,491 is: 80,718.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,236.60 : 146,607.48 = 58,491 : x
  2. Step 2: Convert to fraction form
    106,236.60/146,607.48 = 58,491/x
  3. Step 3: Cross multiply
    106,236.60x = 146,607.48 × 58,491
  4. Step 4: Simplify right side
    106,236.60x = 8,575,218,112.68
  5. Step 5: Solve for x
    x = 8,575,218,112.68/106,236.60
  6. Step 6: Final answer
    x = 80,718.12

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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.