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Finding the Fourth Proportional to 219,511.62, 302,927.49 and 118,909.62

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Solution

The fourth proportional to 219,511.62, 302,927.49 and 118,909.62 is: 164,096.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,511.62 : 302,927.49 = 118,909.62 : x
  2. Step 2: Convert to fraction form
    219,511.62/302,927.49 = 118,909.62/x
  3. Step 3: Cross multiply
    219,511.62x = 302,927.49 × 118,909.62
  4. Step 4: Simplify right side
    219,511.62x = 36,020,992,723.45
  5. Step 5: Solve for x
    x = 36,020,992,723.45/219,511.62
  6. Step 6: Final answer
    x = 164,096.06

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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.