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Finding the Fourth Proportional to 264,142.64, 364,515.62 and 143,283.98

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Solution

The fourth proportional to 264,142.64, 364,515.62 and 143,283.98 is: 197,731.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,142.64 : 364,515.62 = 143,283.98 : x
  2. Step 2: Convert to fraction form
    264,142.64/364,515.62 = 143,283.98/x
  3. Step 3: Cross multiply
    264,142.64x = 364,515.62 × 143,283.98
  4. Step 4: Simplify right side
    264,142.64x = 52,229,248,805.77
  5. Step 5: Solve for x
    x = 52,229,248,805.77/264,142.64
  6. Step 6: Final answer
    x = 197,731.23

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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.