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Finding the Fourth Proportional to 219,365.15, 328,982.33 and 93,003.37

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Solution

The fourth proportional to 219,365.15, 328,982.33 and 93,003.37 is: 139,477.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,365.15 : 328,982.33 = 93,003.37 : x
  2. Step 2: Convert to fraction form
    219,365.15/328,982.33 = 93,003.37/x
  3. Step 3: Cross multiply
    219,365.15x = 328,982.33 × 93,003.37
  4. Step 4: Simplify right side
    219,365.15x = 30,596,464,770.50
  5. Step 5: Solve for x
    x = 30,596,464,770.50/219,365.15
  6. Step 6: Final answer
    x = 139,477.33

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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.