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Finding the Fourth Proportional to 248,004.92, 342,273.51 and 140,563.40

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Solution

The fourth proportional to 248,004.92, 342,273.51 and 140,563.40 is: 193,992.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,004.92 : 342,273.51 = 140,563.40 : x
  2. Step 2: Convert to fraction form
    248,004.92/342,273.51 = 140,563.40/x
  3. Step 3: Cross multiply
    248,004.92x = 342,273.51 × 140,563.40
  4. Step 4: Simplify right side
    248,004.92x = 48,111,128,295.53
  5. Step 5: Solve for x
    x = 48,111,128,295.53/248,004.92
  6. Step 6: Final answer
    x = 193,992.64

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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.