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Finding the Fourth Proportional to 253,493.05, 349,851.68 and 144,624.19

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Solution

The fourth proportional to 253,493.05, 349,851.68 and 144,624.19 is: 199,599.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,493.05 : 349,851.68 = 144,624.19 : x
  2. Step 2: Convert to fraction form
    253,493.05/349,851.68 = 144,624.19/x
  3. Step 3: Cross multiply
    253,493.05x = 349,851.68 × 144,624.19
  4. Step 4: Simplify right side
    253,493.05x = 50,597,015,840.14
  5. Step 5: Solve for x
    x = 50,597,015,840.14/253,493.05
  6. Step 6: Final answer
    x = 199,599.22

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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.