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Finding the Fourth Proportional to 260,260.82, 359,157.46 and 145,538.15

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Solution

The fourth proportional to 260,260.82, 359,157.46 and 145,538.15 is: 200,841.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,260.82 : 359,157.46 = 145,538.15 : x
  2. Step 2: Convert to fraction form
    260,260.82/359,157.46 = 145,538.15/x
  3. Step 3: Cross multiply
    260,260.82x = 359,157.46 × 145,538.15
  4. Step 4: Simplify right side
    260,260.82x = 52,271,112,821.15
  5. Step 5: Solve for x
    x = 52,271,112,821.15/260,260.82
  6. Step 6: Final answer
    x = 200,841.27

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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.