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Finding the Fourth Proportional to 165,674.80, 248,512.20 and 152,844.40

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Solution

The fourth proportional to 165,674.80, 248,512.20 and 152,844.40 is: 229,266.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,674.80 : 248,512.20 = 152,844.40 : x
  2. Step 2: Convert to fraction form
    165,674.80/248,512.20 = 152,844.40/x
  3. Step 3: Cross multiply
    165,674.80x = 248,512.20 × 152,844.40
  4. Step 4: Simplify right side
    165,674.80x = 37,983,698,101.68
  5. Step 5: Solve for x
    x = 37,983,698,101.68/165,674.80
  6. Step 6: Final answer
    x = 229,266.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.