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Finding the Fourth Proportional to 82,804.40, 124,211.40 and 23,644.40

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Solution

The fourth proportional to 82,804.40, 124,211.40 and 23,644.40 is: 35,467.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,804.40 : 124,211.40 = 23,644.40 : x
  2. Step 2: Convert to fraction form
    82,804.40/124,211.40 = 23,644.40/x
  3. Step 3: Cross multiply
    82,804.40x = 124,211.40 × 23,644.40
  4. Step 4: Simplify right side
    82,804.40x = 2,936,904,026.16
  5. Step 5: Solve for x
    x = 2,936,904,026.16/82,804.40
  6. Step 6: Final answer
    x = 35,467.97

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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.