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Finding the Fourth Proportional to 264,078.96, 364,418.88 and 143,218.08

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Solution

The fourth proportional to 264,078.96, 364,418.88 and 143,218.08 is: 197,635.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,078.96 : 364,418.88 = 143,218.08 : x
  2. Step 2: Convert to fraction form
    264,078.96/364,418.88 = 143,218.08/x
  3. Step 3: Cross multiply
    264,078.96x = 364,418.88 × 143,218.08
  4. Step 4: Simplify right side
    264,078.96x = 52,191,372,309.35
  5. Step 5: Solve for x
    x = 52,191,372,309.35/264,078.96
  6. Step 6: Final answer
    x = 197,635.48

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1.5x scale

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.