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Finding the Fourth Proportional to 219,167, 302,450.82 and 118,565

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Solution

The fourth proportional to 219,167, 302,450.82 and 118,565 is: 163,619.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,167 : 302,450.82 = 118,565 : x
  2. Step 2: Convert to fraction form
    219,167/302,450.82 = 118,565/x
  3. Step 3: Cross multiply
    219,167x = 302,450.82 × 118,565
  4. Step 4: Simplify right side
    219,167x = 35,860,081,473.30
  5. Step 5: Solve for x
    x = 35,860,081,473.30/219,167
  6. Step 6: Final answer
    x = 163,619.89

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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.