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Finding the Fourth Proportional to 268,661.48, 370,755.26 and 146,156.54

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Solution

The fourth proportional to 268,661.48, 370,755.26 and 146,156.54 is: 201,697.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,661.48 : 370,755.26 = 146,156.54 : x
  2. Step 2: Convert to fraction form
    268,661.48/370,755.26 = 146,156.54/x
  3. Step 3: Cross multiply
    268,661.48x = 370,755.26 × 146,156.54
  4. Step 4: Simplify right side
    268,661.48x = 54,188,303,403.84
  5. Step 5: Solve for x
    x = 54,188,303,403.84/268,661.48
  6. Step 6: Final answer
    x = 201,697.33

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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.