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Finding the Fourth Proportional to 229,796.16, 344,508.30 and 103,343.80

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Solution

The fourth proportional to 229,796.16, 344,508.30 and 103,343.80 is: 154,932.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,796.16 : 344,508.30 = 103,343.80 : x
  2. Step 2: Convert to fraction form
    229,796.16/344,508.30 = 103,343.80/x
  3. Step 3: Cross multiply
    229,796.16x = 344,508.30 × 103,343.80
  4. Step 4: Simplify right side
    229,796.16x = 35,602,796,853.54
  5. Step 5: Solve for x
    x = 35,602,796,853.54/229,796.16
  6. Step 6: Final answer
    x = 154,932.08

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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.