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Finding the Fourth Proportional to 260,841.72, 359,975.04 and 146,113.56

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Solution

The fourth proportional to 260,841.72, 359,975.04 and 146,113.56 is: 201,644.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,841.72 : 359,975.04 = 146,113.56 : x
  2. Step 2: Convert to fraction form
    260,841.72/359,975.04 = 146,113.56/x
  3. Step 3: Cross multiply
    260,841.72x = 359,975.04 × 146,113.56
  4. Step 4: Simplify right side
    260,841.72x = 52,597,234,605.54
  5. Step 5: Solve for x
    x = 52,597,234,605.54/260,841.72
  6. Step 6: Final answer
    x = 201,644.26

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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.