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Finding the Fourth Proportional to 248,242.70, 342,574.91 and 135,066.26

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Solution

The fourth proportional to 248,242.70, 342,574.91 and 135,066.26 is: 186,391.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,242.70 : 342,574.91 = 135,066.26 : x
  2. Step 2: Convert to fraction form
    248,242.70/342,574.91 = 135,066.26/x
  3. Step 3: Cross multiply
    248,242.70x = 342,574.91 × 135,066.26
  4. Step 4: Simplify right side
    248,242.70x = 46,270,309,475.33
  5. Step 5: Solve for x
    x = 46,270,309,475.33/248,242.70
  6. Step 6: Final answer
    x = 186,391.42

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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.