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Finding the Fourth Proportional to 251,051.00, 346,365.59 and 143,544.56

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Solution

The fourth proportional to 251,051.00, 346,365.59 and 143,544.56 is: 198,043.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,051.00 : 346,365.59 = 143,544.56 : x
  2. Step 2: Convert to fraction form
    251,051.00/346,365.59 = 143,544.56/x
  3. Step 3: Cross multiply
    251,051.00x = 346,365.59 × 143,544.56
  4. Step 4: Simplify right side
    251,051.00x = 49,718,893,766.14
  5. Step 5: Solve for x
    x = 49,718,893,766.14/251,051.00
  6. Step 6: Final answer
    x = 198,043.01

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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.