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Finding the Fourth Proportional to 219,536.73, 302,978.48 and 124,063.25

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Solution

The fourth proportional to 219,536.73, 302,978.48 and 124,063.25 is: 171,217.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,536.73 : 302,978.48 = 124,063.25 : x
  2. Step 2: Convert to fraction form
    219,536.73/302,978.48 = 124,063.25/x
  3. Step 3: Cross multiply
    219,536.73x = 302,978.48 × 124,063.25
  4. Step 4: Simplify right side
    219,536.73x = 37,588,492,773.65
  5. Step 5: Solve for x
    x = 37,588,492,773.65/219,536.73
  6. Step 6: Final answer
    x = 171,217.33

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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.