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Finding the Fourth Proportional to 264,531.06, 365,055.51 and 143,674.71

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Solution

The fourth proportional to 264,531.06, 365,055.51 and 143,674.71 is: 198,272.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,531.06 : 365,055.51 = 143,674.71 : x
  2. Step 2: Convert to fraction form
    264,531.06/365,055.51 = 143,674.71/x
  3. Step 3: Cross multiply
    264,531.06x = 365,055.51 × 143,674.71
  4. Step 4: Simplify right side
    264,531.06x = 52,449,244,533.15
  5. Step 5: Solve for x
    x = 52,449,244,533.15/264,531.06
  6. Step 6: Final answer
    x = 198,272.54

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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.