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Finding the Fourth Proportional to 219,444.52, 329,178.17 and 69,696.53

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Solution

The fourth proportional to 219,444.52, 329,178.17 and 69,696.53 is: 104,548.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,444.52 : 329,178.17 = 69,696.53 : x
  2. Step 2: Convert to fraction form
    219,444.52/329,178.17 = 69,696.53/x
  3. Step 3: Cross multiply
    219,444.52x = 329,178.17 × 69,696.53
  4. Step 4: Simplify right side
    219,444.52x = 22,942,575,852.27
  5. Step 5: Solve for x
    x = 22,942,575,852.27/219,444.52
  6. Step 6: Final answer
    x = 104,548.41

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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.