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Finding the Fourth Proportional to 195,770.40, 293,655.60 and 162,556.80

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Solution

The fourth proportional to 195,770.40, 293,655.60 and 162,556.80 is: 243,835.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,770.40 : 293,655.60 = 162,556.80 : x
  2. Step 2: Convert to fraction form
    195,770.40/293,655.60 = 162,556.80/x
  3. Step 3: Cross multiply
    195,770.40x = 293,655.60 × 162,556.80
  4. Step 4: Simplify right side
    195,770.40x = 47,735,714,638.08
  5. Step 5: Solve for x
    x = 47,735,714,638.08/195,770.40
  6. Step 6: Final answer
    x = 243,835.20

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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.