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Finding the Fourth Proportional to 264,635.22, 396,827.72 and 102,605.08

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Solution

The fourth proportional to 264,635.22, 396,827.72 and 102,605.08 is: 153,859.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,635.22 : 396,827.72 = 102,605.08 : x
  2. Step 2: Convert to fraction form
    264,635.22/396,827.72 = 102,605.08/x
  3. Step 3: Cross multiply
    264,635.22x = 396,827.72 × 102,605.08
  4. Step 4: Simplify right side
    264,635.22x = 40,716,539,956.82
  5. Step 5: Solve for x
    x = 40,716,539,956.82/264,635.22
  6. Step 6: Final answer
    x = 153,859.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.