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Finding the Fourth Proportional to 247,384.67, 371,101.30 and 69,893.06

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Solution

The fourth proportional to 247,384.67, 371,101.30 and 69,893.06 is: 104,846.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,384.67 : 371,101.30 = 69,893.06 : x
  2. Step 2: Convert to fraction form
    247,384.67/371,101.30 = 69,893.06/x
  3. Step 3: Cross multiply
    247,384.67x = 371,101.30 × 69,893.06
  4. Step 4: Simplify right side
    247,384.67x = 25,937,403,396.74
  5. Step 5: Solve for x
    x = 25,937,403,396.74/247,384.67
  6. Step 6: Final answer
    x = 104,846.45

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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.