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Finding the Fourth Proportional to 248,751.44, 343,277 and 135,574.16

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Solution

The fourth proportional to 248,751.44, 343,277 and 135,574.16 is: 187,092.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,751.44 : 343,277 = 135,574.16 : x
  2. Step 2: Convert to fraction form
    248,751.44/343,277 = 135,574.16/x
  3. Step 3: Cross multiply
    248,751.44x = 343,277 × 135,574.16
  4. Step 4: Simplify right side
    248,751.44x = 46,539,490,922.32
  5. Step 5: Solve for x
    x = 46,539,490,922.32/248,751.44
  6. Step 6: Final answer
    x = 187,092.35

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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.