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Finding the Fourth Proportional to 140,804.64, 211,227.48 and 40,951.89

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Solution

The fourth proportional to 140,804.64, 211,227.48 and 40,951.89 is: 61,433.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,804.64 : 211,227.48 = 40,951.89 : x
  2. Step 2: Convert to fraction form
    140,804.64/211,227.48 = 40,951.89/x
  3. Step 3: Cross multiply
    140,804.64x = 211,227.48 × 40,951.89
  4. Step 4: Simplify right side
    140,804.64x = 8,650,164,525.94
  5. Step 5: Solve for x
    x = 8,650,164,525.94/140,804.64
  6. Step 6: Final answer
    x = 61,433.80

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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.