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Finding the Fourth Proportional to 103,246.80, 154,851.75 and 27,345.89

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Solution

The fourth proportional to 103,246.80, 154,851.75 and 27,345.89 is: 41,013.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,246.80 : 154,851.75 = 27,345.89 : x
  2. Step 2: Convert to fraction form
    103,246.80/154,851.75 = 27,345.89/x
  3. Step 3: Cross multiply
    103,246.80x = 154,851.75 × 27,345.89
  4. Step 4: Simplify right side
    103,246.80x = 4,234,558,147.55
  5. Step 5: Solve for x
    x = 4,234,558,147.55/103,246.80
  6. Step 6: Final answer
    x = 41,013.94

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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.