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Finding the Fourth Proportional to 219,671.44, 329,561.88 and 101,425.04

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Solution

The fourth proportional to 219,671.44, 329,561.88 and 101,425.04 is: 152,162.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,671.44 : 329,561.88 = 101,425.04 : x
  2. Step 2: Convert to fraction form
    219,671.44/329,561.88 = 101,425.04/x
  3. Step 3: Cross multiply
    219,671.44x = 329,561.88 × 101,425.04
  4. Step 4: Simplify right side
    219,671.44x = 33,425,826,861.48
  5. Step 5: Solve for x
    x = 33,425,826,861.48/219,671.44
  6. Step 6: Final answer
    x = 152,162.82

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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.