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Finding the Fourth Proportional to 219,455.94, 329,060.76 and 69,668.34

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Solution

The fourth proportional to 219,455.94, 329,060.76 and 69,668.34 is: 104,463.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,455.94 : 329,060.76 = 69,668.34 : x
  2. Step 2: Convert to fraction form
    219,455.94/329,060.76 = 69,668.34/x
  3. Step 3: Cross multiply
    219,455.94x = 329,060.76 × 69,668.34
  4. Step 4: Simplify right side
    219,455.94x = 22,925,116,908.34
  5. Step 5: Solve for x
    x = 22,925,116,908.34/219,455.94
  6. Step 6: Final answer
    x = 104,463.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.