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Finding the Fourth Proportional to 260,950.32, 360,119.92 and 147,770.64

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Solution

The fourth proportional to 260,950.32, 360,119.92 and 147,770.64 is: 203,928.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,950.32 : 360,119.92 = 147,770.64 : x
  2. Step 2: Convert to fraction form
    260,950.32/360,119.92 = 147,770.64/x
  3. Step 3: Cross multiply
    260,950.32x = 360,119.92 × 147,770.64
  4. Step 4: Simplify right side
    260,950.32x = 53,215,151,055.15
  5. Step 5: Solve for x
    x = 53,215,151,055.15/260,950.32
  6. Step 6: Final answer
    x = 203,928.28

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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.