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Finding the Fourth Proportional to 260,711.76, 359,782.22 and 141,479.76

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Solution

The fourth proportional to 260,711.76, 359,782.22 and 141,479.76 is: 195,242.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,711.76 : 359,782.22 = 141,479.76 : x
  2. Step 2: Convert to fraction form
    260,711.76/359,782.22 = 141,479.76/x
  3. Step 3: Cross multiply
    260,711.76x = 359,782.22 × 141,479.76
  4. Step 4: Simplify right side
    260,711.76x = 50,901,902,137.87
  5. Step 5: Solve for x
    x = 50,901,902,137.87/260,711.76
  6. Step 6: Final answer
    x = 195,242.06

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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.