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Finding the Fourth Proportional to 260,989.95, 360,191.16 and 146,268.03

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Solution

The fourth proportional to 260,989.95, 360,191.16 and 146,268.03 is: 201,863.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,989.95 : 360,191.16 = 146,268.03 : x
  2. Step 2: Convert to fraction form
    260,989.95/360,191.16 = 146,268.03/x
  3. Step 3: Cross multiply
    260,989.95x = 360,191.16 × 146,268.03
  4. Step 4: Simplify right side
    260,989.95x = 52,684,451,396.61
  5. Step 5: Solve for x
    x = 52,684,451,396.61/260,989.95
  6. Step 6: Final answer
    x = 201,863.91

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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.