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Finding the Fourth Proportional to 213,301.29, 320,010.29 and 93,336.44

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Solution

The fourth proportional to 213,301.29, 320,010.29 and 93,336.44 is: 140,030.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,301.29 : 320,010.29 = 93,336.44 : x
  2. Step 2: Convert to fraction form
    213,301.29/320,010.29 = 93,336.44/x
  3. Step 3: Cross multiply
    213,301.29x = 320,010.29 × 93,336.44
  4. Step 4: Simplify right side
    213,301.29x = 29,868,619,165.23
  5. Step 5: Solve for x
    x = 29,868,619,165.23/213,301.29
  6. Step 6: Final answer
    x = 140,030.19

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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.