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Finding the Fourth Proportional to 260,847.40, 359,969.14 and 146,126.85

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Solution

The fourth proportional to 260,847.40, 359,969.14 and 146,126.85 is: 201,654.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,847.40 : 359,969.14 = 146,126.85 : x
  2. Step 2: Convert to fraction form
    260,847.40/359,969.14 = 146,126.85/x
  3. Step 3: Cross multiply
    260,847.40x = 359,969.14 × 146,126.85
  4. Step 4: Simplify right side
    260,847.40x = 52,601,157,790.65
  5. Step 5: Solve for x
    x = 52,601,157,790.65/260,847.40
  6. Step 6: Final answer
    x = 201,654.90

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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.