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Finding the Fourth Proportional to 260,080.50, 358,940.30 and 146,910.54

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Solution

The fourth proportional to 260,080.50, 358,940.30 and 146,910.54 is: 202,753.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,080.50 : 358,940.30 = 146,910.54 : x
  2. Step 2: Convert to fraction form
    260,080.50/358,940.30 = 146,910.54/x
  3. Step 3: Cross multiply
    260,080.50x = 358,940.30 × 146,910.54
  4. Step 4: Simplify right side
    260,080.50x = 52,732,112,566.21
  5. Step 5: Solve for x
    x = 52,732,112,566.21/260,080.50
  6. Step 6: Final answer
    x = 202,753.04

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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.