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Finding the Fourth Proportional to 103,246.30, 154,851 and 27,345.39

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Solution

The fourth proportional to 103,246.30, 154,851 and 27,345.39 is: 41,013.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,246.30 : 154,851 = 27,345.39 : x
  2. Step 2: Convert to fraction form
    103,246.30/154,851 = 27,345.39/x
  3. Step 3: Cross multiply
    103,246.30x = 154,851 × 27,345.39
  4. Step 4: Simplify right side
    103,246.30x = 4,234,460,986.89
  5. Step 5: Solve for x
    x = 4,234,460,986.89/103,246.30
  6. Step 6: Final answer
    x = 41,013.20

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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.