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Finding the Fourth Proportional to 259,343.46, 357,880.14 and 144,633.87

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Solution

The fourth proportional to 259,343.46, 357,880.14 and 144,633.87 is: 199,587.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,343.46 : 357,880.14 = 144,633.87 : x
  2. Step 2: Convert to fraction form
    259,343.46/357,880.14 = 144,633.87/x
  3. Step 3: Cross multiply
    259,343.46x = 357,880.14 × 144,633.87
  4. Step 4: Simplify right side
    259,343.46x = 51,761,589,644.34
  5. Step 5: Solve for x
    x = 51,761,589,644.34/259,343.46
  6. Step 6: Final answer
    x = 199,587.03

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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.