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Finding the Fourth Proportional to 248,659.50, 372,546.98 and 143,260.68

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Solution

The fourth proportional to 248,659.50, 372,546.98 and 143,260.68 is: 214,636.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,659.50 : 372,546.98 = 143,260.68 : x
  2. Step 2: Convert to fraction form
    248,659.50/372,546.98 = 143,260.68/x
  3. Step 3: Cross multiply
    248,659.50x = 372,546.98 × 143,260.68
  4. Step 4: Simplify right side
    248,659.50x = 53,371,333,686.75
  5. Step 5: Solve for x
    x = 53,371,333,686.75/248,659.50
  6. Step 6: Final answer
    x = 214,636.21

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.