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Finding the Fourth Proportional to 260,722.16, 359,796.56 and 141,490.16

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Solution

The fourth proportional to 260,722.16, 359,796.56 and 141,490.16 is: 195,256.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,722.16 : 359,796.56 = 141,490.16 : x
  2. Step 2: Convert to fraction form
    260,722.16/359,796.56 = 141,490.16/x
  3. Step 3: Cross multiply
    260,722.16x = 359,796.56 × 141,490.16
  4. Step 4: Simplify right side
    260,722.16x = 50,907,672,841.85
  5. Step 5: Solve for x
    x = 50,907,672,841.85/260,722.16
  6. Step 6: Final answer
    x = 195,256.41

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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.