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Finding the Fourth Proportional to 219,250.41, 302,539.91 and 123,751.41

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Solution

The fourth proportional to 219,250.41, 302,539.91 and 123,751.41 is: 170,762.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,250.41 : 302,539.91 = 123,751.41 : x
  2. Step 2: Convert to fraction form
    219,250.41/302,539.91 = 123,751.41/x
  3. Step 3: Cross multiply
    219,250.41x = 302,539.91 × 123,751.41
  4. Step 4: Simplify right side
    219,250.41x = 37,439,739,825.02
  5. Step 5: Solve for x
    x = 37,439,739,825.02/219,250.41
  6. Step 6: Final answer
    x = 170,762.46

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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.