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Finding the Fourth Proportional to 248,465.94, 342,960.39 and 141,107.46

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Solution

The fourth proportional to 248,465.94, 342,960.39 and 141,107.46 is: 194,772.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,465.94 : 342,960.39 = 141,107.46 : x
  2. Step 2: Convert to fraction form
    248,465.94/342,960.39 = 141,107.46/x
  3. Step 3: Cross multiply
    248,465.94x = 342,960.39 × 141,107.46
  4. Step 4: Simplify right side
    248,465.94x = 48,394,269,513.51
  5. Step 5: Solve for x
    x = 48,394,269,513.51/248,465.94
  6. Step 6: Final answer
    x = 194,772.25

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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.