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Finding the Fourth Proportional to 260,993.45, 360,195.99 and 146,271.53

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Solution

The fourth proportional to 260,993.45, 360,195.99 and 146,271.53 is: 201,868.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,993.45 : 360,195.99 = 146,271.53 : x
  2. Step 2: Convert to fraction form
    260,993.45/360,195.99 = 146,271.53/x
  3. Step 3: Cross multiply
    260,993.45x = 360,195.99 × 146,271.53
  4. Step 4: Simplify right side
    260,993.45x = 52,686,418,557.16
  5. Step 5: Solve for x
    x = 52,686,418,557.16/260,993.45
  6. Step 6: Final answer
    x = 201,868.74

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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.