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Finding the Fourth Proportional to 368,006.94, 552,012.30 and 111,841.92

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Solution

The fourth proportional to 368,006.94, 552,012.30 and 111,841.92 is: 167,763.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,006.94 : 552,012.30 = 111,841.92 : x
  2. Step 2: Convert to fraction form
    368,006.94/552,012.30 = 111,841.92/x
  3. Step 3: Cross multiply
    368,006.94x = 552,012.30 × 111,841.92
  4. Step 4: Simplify right side
    368,006.94x = 61,738,115,495.62
  5. Step 5: Solve for x
    x = 61,738,115,495.62/368,006.94
  6. Step 6: Final answer
    x = 167,763.45

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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.