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Finding the Fourth Proportional to 120,262.56, 165,770.64 and 94,728.48

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Solution

The fourth proportional to 120,262.56, 165,770.64 and 94,728.48 is: 130,574.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,262.56 : 165,770.64 = 94,728.48 : x
  2. Step 2: Convert to fraction form
    120,262.56/165,770.64 = 94,728.48/x
  3. Step 3: Cross multiply
    120,262.56x = 165,770.64 × 94,728.48
  4. Step 4: Simplify right side
    120,262.56x = 15,703,200,755.83
  5. Step 5: Solve for x
    x = 15,703,200,755.83/120,262.56
  6. Step 6: Final answer
    x = 130,574.31

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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.