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Finding the Fourth Proportional to 247,399.25, 341,409.53 and 134,219.57

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Solution

The fourth proportional to 247,399.25, 341,409.53 and 134,219.57 is: 185,222.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,399.25 : 341,409.53 = 134,219.57 : x
  2. Step 2: Convert to fraction form
    247,399.25/341,409.53 = 134,219.57/x
  3. Step 3: Cross multiply
    247,399.25x = 341,409.53 × 134,219.57
  4. Step 4: Simplify right side
    247,399.25x = 45,823,838,603.45
  5. Step 5: Solve for x
    x = 45,823,838,603.45/247,399.25
  6. Step 6: Final answer
    x = 185,222.22

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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.