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Finding the Fourth Proportional to 247,097.53, 341,000.50 and 139,667.97

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Solution

The fourth proportional to 247,097.53, 341,000.50 and 139,667.97 is: 192,745.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,097.53 : 341,000.50 = 139,667.97 : x
  2. Step 2: Convert to fraction form
    247,097.53/341,000.50 = 139,667.97/x
  3. Step 3: Cross multiply
    247,097.53x = 341,000.50 × 139,667.97
  4. Step 4: Simplify right side
    247,097.53x = 47,626,847,254.82
  5. Step 5: Solve for x
    x = 47,626,847,254.82/247,097.53
  6. Step 6: Final answer
    x = 192,745.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.