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Finding the Fourth Proportional to 248,673.42, 343,169.33 and 135,496.17

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Solution

The fourth proportional to 248,673.42, 343,169.33 and 135,496.17 is: 186,984.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,673.42 : 343,169.33 = 135,496.17 : x
  2. Step 2: Convert to fraction form
    248,673.42/343,169.33 = 135,496.17/x
  3. Step 3: Cross multiply
    248,673.42x = 343,169.33 × 135,496.17
  4. Step 4: Simplify right side
    248,673.42x = 46,498,130,485.87
  5. Step 5: Solve for x
    x = 46,498,130,485.87/248,673.42
  6. Step 6: Final answer
    x = 186,984.72

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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.