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Finding the Fourth Proportional to 260,973.54, 360,121.50 and 144,690.12

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Solution

The fourth proportional to 260,973.54, 360,121.50 and 144,690.12 is: 199,660.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,973.54 : 360,121.50 = 144,690.12 : x
  2. Step 2: Convert to fraction form
    260,973.54/360,121.50 = 144,690.12/x
  3. Step 3: Cross multiply
    260,973.54x = 360,121.50 × 144,690.12
  4. Step 4: Simplify right side
    260,973.54x = 52,106,023,049.58
  5. Step 5: Solve for x
    x = 52,106,023,049.58/260,973.54
  6. Step 6: Final answer
    x = 199,660.18

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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.