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Finding the Fourth Proportional to 141,804.54, 212,739.98 and 48,310.29

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Solution

The fourth proportional to 141,804.54, 212,739.98 and 48,310.29 is: 72,476.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,804.54 : 212,739.98 = 48,310.29 : x
  2. Step 2: Convert to fraction form
    141,804.54/212,739.98 = 48,310.29/x
  3. Step 3: Cross multiply
    141,804.54x = 212,739.98 × 48,310.29
  4. Step 4: Simplify right side
    141,804.54x = 10,277,529,886.84
  5. Step 5: Solve for x
    x = 10,277,529,886.84/141,804.54
  6. Step 6: Final answer
    x = 72,476.73

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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.