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Finding the Fourth Proportional to 264,427.71, 364,908.15 and 143,566.55

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Solution

The fourth proportional to 264,427.71, 364,908.15 and 143,566.55 is: 198,120.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,427.71 : 364,908.15 = 143,566.55 : x
  2. Step 2: Convert to fraction form
    264,427.71/364,908.15 = 143,566.55/x
  3. Step 3: Cross multiply
    264,427.71x = 364,908.15 × 143,566.55
  4. Step 4: Simplify right side
    264,427.71x = 52,388,603,706.25
  5. Step 5: Solve for x
    x = 52,388,603,706.25/264,427.71
  6. Step 6: Final answer
    x = 198,120.70

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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.