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Finding the Fourth Proportional to 264,008.72, 364,332.05 and 143,149.97

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Solution

The fourth proportional to 264,008.72, 364,332.05 and 143,149.97 is: 197,546.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,008.72 : 364,332.05 = 143,149.97 : x
  2. Step 2: Convert to fraction form
    264,008.72/364,332.05 = 143,149.97/x
  3. Step 3: Cross multiply
    264,008.72x = 364,332.05 × 143,149.97
  4. Step 4: Simplify right side
    264,008.72x = 52,154,119,490.13
  5. Step 5: Solve for x
    x = 52,154,119,490.13/264,008.72
  6. Step 6: Final answer
    x = 197,546.96

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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.