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Finding the Fourth Proportional to 247,359.49, 341,356.20 and 139,927.23

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Solution

The fourth proportional to 247,359.49, 341,356.20 and 139,927.23 is: 193,099.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,359.49 : 341,356.20 = 139,927.23 : x
  2. Step 2: Convert to fraction form
    247,359.49/341,356.20 = 139,927.23/x
  3. Step 3: Cross multiply
    247,359.49x = 341,356.20 × 139,927.23
  4. Step 4: Simplify right side
    247,359.49x = 47,765,027,509.33
  5. Step 5: Solve for x
    x = 47,765,027,509.33/247,359.49
  6. Step 6: Final answer
    x = 193,099.64

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1.5x scale

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.