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Finding the Fourth Proportional to 264,761.68, 365,374.81 and 143,902.93

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Solution

The fourth proportional to 264,761.68, 365,374.81 and 143,902.93 is: 198,588.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,761.68 : 365,374.81 = 143,902.93 : x
  2. Step 2: Convert to fraction form
    264,761.68/365,374.81 = 143,902.93/x
  3. Step 3: Cross multiply
    264,761.68x = 365,374.81 × 143,902.93
  4. Step 4: Simplify right side
    264,761.68x = 52,578,503,880.32
  5. Step 5: Solve for x
    x = 52,578,503,880.32/264,761.68
  6. Step 6: Final answer
    x = 198,588.05

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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.