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Finding the Fourth Proportional to 247,356.83, 341,352.54 and 139,924.61

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Solution

The fourth proportional to 247,356.83, 341,352.54 and 139,924.61 is: 193,096.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,356.83 : 341,352.54 = 139,924.61 : x
  2. Step 2: Convert to fraction form
    247,356.83/341,352.54 = 139,924.61/x
  3. Step 3: Cross multiply
    247,356.83x = 341,352.54 × 139,924.61
  4. Step 4: Simplify right side
    247,356.83x = 47,763,621,032.01
  5. Step 5: Solve for x
    x = 47,763,621,032.01/247,356.83
  6. Step 6: Final answer
    x = 193,096.03

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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.