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Finding the Fourth Proportional to 252,668.40, 348,667.40 and 137,924.24

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Solution

The fourth proportional to 252,668.40, 348,667.40 and 137,924.24 is: 190,327.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,668.40 : 348,667.40 = 137,924.24 : x
  2. Step 2: Convert to fraction form
    252,668.40/348,667.40 = 137,924.24/x
  3. Step 3: Cross multiply
    252,668.40x = 348,667.40 × 137,924.24
  4. Step 4: Simplify right side
    252,668.40x = 48,089,686,157.78
  5. Step 5: Solve for x
    x = 48,089,686,157.78/252,668.40
  6. Step 6: Final answer
    x = 190,327.27

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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.