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Finding the Fourth Proportional to 250,774.99, 346,069.46 and 143,347.32

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Solution

The fourth proportional to 250,774.99, 346,069.46 and 143,347.32 is: 197,819.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,774.99 : 346,069.46 = 143,347.32 : x
  2. Step 2: Convert to fraction form
    250,774.99/346,069.46 = 143,347.32/x
  3. Step 3: Cross multiply
    250,774.99x = 346,069.46 × 143,347.32
  4. Step 4: Simplify right side
    250,774.99x = 49,608,129,983.22
  5. Step 5: Solve for x
    x = 49,608,129,983.22/250,774.99
  6. Step 6: Final answer
    x = 197,819.29

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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.