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Finding the Fourth Proportional to 264,070.72, 364,415.11 and 143,214.67

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Solution

The fourth proportional to 264,070.72, 364,415.11 and 143,214.67 is: 197,634.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,070.72 : 364,415.11 = 143,214.67 : x
  2. Step 2: Convert to fraction form
    264,070.72/364,415.11 = 143,214.67/x
  3. Step 3: Cross multiply
    264,070.72x = 364,415.11 × 143,214.67
  4. Step 4: Simplify right side
    264,070.72x = 52,189,589,721.66
  5. Step 5: Solve for x
    x = 52,189,589,721.66/264,070.72
  6. Step 6: Final answer
    x = 197,634.90

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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.