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Finding the Fourth Proportional to 251,464.61, 346,994.92 and 144,039.17

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Solution

The fourth proportional to 251,464.61, 346,994.92 and 144,039.17 is: 198,759.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,464.61 : 346,994.92 = 144,039.17 : x
  2. Step 2: Convert to fraction form
    251,464.61/346,994.92 = 144,039.17/x
  3. Step 3: Cross multiply
    251,464.61x = 346,994.92 × 144,039.17
  4. Step 4: Simplify right side
    251,464.61x = 49,980,861,318.55
  5. Step 5: Solve for x
    x = 49,980,861,318.55/251,464.61
  6. Step 6: Final answer
    x = 198,759.03

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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.