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Finding the Fourth Proportional to 229,615.90, 344,424.94 and 69,693.22

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Solution

The fourth proportional to 229,615.90, 344,424.94 and 69,693.22 is: 104,540.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,615.90 : 344,424.94 = 69,693.22 : x
  2. Step 2: Convert to fraction form
    229,615.90/344,424.94 = 69,693.22/x
  3. Step 3: Cross multiply
    229,615.90x = 344,424.94 × 69,693.22
  4. Step 4: Simplify right side
    229,615.90x = 24,004,083,116.91
  5. Step 5: Solve for x
    x = 24,004,083,116.91/229,615.90
  6. Step 6: Final answer
    x = 104,540.16

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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.