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Finding the Fourth Proportional to 260,170.57, 359,042.39 and 146,990.89

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Solution

The fourth proportional to 260,170.57, 359,042.39 and 146,990.89 is: 202,851.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,170.57 : 359,042.39 = 146,990.89 : x
  2. Step 2: Convert to fraction form
    260,170.57/359,042.39 = 146,990.89/x
  3. Step 3: Cross multiply
    260,170.57x = 359,042.39 × 146,990.89
  4. Step 4: Simplify right side
    260,170.57x = 52,775,960,453.83
  5. Step 5: Solve for x
    x = 52,775,960,453.83/260,170.57
  6. Step 6: Final answer
    x = 202,851.38

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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.