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Finding the Fourth Proportional to 219,492.36, 329,249.88 and 69,744.42

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Solution

The fourth proportional to 219,492.36, 329,249.88 and 69,744.42 is: 104,620.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,492.36 : 329,249.88 = 69,744.42 : x
  2. Step 2: Convert to fraction form
    219,492.36/329,249.88 = 69,744.42/x
  3. Step 3: Cross multiply
    219,492.36x = 329,249.88 × 69,744.42
  4. Step 4: Simplify right side
    219,492.36x = 22,963,341,915.67
  5. Step 5: Solve for x
    x = 22,963,341,915.67/219,492.36
  6. Step 6: Final answer
    x = 104,620.23

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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.