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Finding the Fourth Proportional to 219,892.04, 329,838.84 and 53,680.04

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Solution

The fourth proportional to 219,892.04, 329,838.84 and 53,680.04 is: 80,520.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,892.04 : 329,838.84 = 53,680.04 : x
  2. Step 2: Convert to fraction form
    219,892.04/329,838.84 = 53,680.04/x
  3. Step 3: Cross multiply
    219,892.04x = 329,838.84 × 53,680.04
  4. Step 4: Simplify right side
    219,892.04x = 17,705,762,124.75
  5. Step 5: Solve for x
    x = 17,705,762,124.75/219,892.04
  6. Step 6: Final answer
    x = 80,520.25

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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.