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Finding the Fourth Proportional to 165,246.44, 228,040.32 and 93,631.32

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Solution

The fourth proportional to 165,246.44, 228,040.32 and 93,631.32 is: 129,211.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,246.44 : 228,040.32 = 93,631.32 : x
  2. Step 2: Convert to fraction form
    165,246.44/228,040.32 = 93,631.32/x
  3. Step 3: Cross multiply
    165,246.44x = 228,040.32 × 93,631.32
  4. Step 4: Simplify right side
    165,246.44x = 21,351,716,174.82
  5. Step 5: Solve for x
    x = 21,351,716,174.82/165,246.44
  6. Step 6: Final answer
    x = 129,211.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.