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Finding the Fourth Proportional to 165,846.40, 248,769.60 and 82,902.40

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Solution

The fourth proportional to 165,846.40, 248,769.60 and 82,902.40 is: 124,353.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,846.40 : 248,769.60 = 82,902.40 : x
  2. Step 2: Convert to fraction form
    165,846.40/248,769.60 = 82,902.40/x
  3. Step 3: Cross multiply
    165,846.40x = 248,769.60 × 82,902.40
  4. Step 4: Simplify right side
    165,846.40x = 20,623,596,887.04
  5. Step 5: Solve for x
    x = 20,623,596,887.04/165,846.40
  6. Step 6: Final answer
    x = 124,353.60

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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.