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Finding the Fourth Proportional to 252,654.46, 348,648.30 and 137,910.33

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Solution

The fourth proportional to 252,654.46, 348,648.30 and 137,910.33 is: 190,308.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,654.46 : 348,648.30 = 137,910.33 : x
  2. Step 2: Convert to fraction form
    252,654.46/348,648.30 = 137,910.33/x
  3. Step 3: Cross multiply
    252,654.46x = 348,648.30 × 137,910.33
  4. Step 4: Simplify right side
    252,654.46x = 48,082,202,106.94
  5. Step 5: Solve for x
    x = 48,082,202,106.94/252,654.46
  6. Step 6: Final answer
    x = 190,308.15

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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.