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Finding the Fourth Proportional to 219,384.44, 328,827.88 and 100,810.77

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Solution

The fourth proportional to 219,384.44, 328,827.88 and 100,810.77 is: 151,101.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,384.44 : 328,827.88 = 100,810.77 : x
  2. Step 2: Convert to fraction form
    219,384.44/328,827.88 = 100,810.77/x
  3. Step 3: Cross multiply
    219,384.44x = 328,827.88 × 100,810.77
  4. Step 4: Simplify right side
    219,384.44x = 33,149,391,780.27
  5. Step 5: Solve for x
    x = 33,149,391,780.27/219,384.44
  6. Step 6: Final answer
    x = 151,101.84

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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.