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Finding the Fourth Proportional to 229,053, 343,601.37 and 71,239.08

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Solution

The fourth proportional to 229,053, 343,601.37 and 71,239.08 is: 106,865.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,053 : 343,601.37 = 71,239.08 : x
  2. Step 2: Convert to fraction form
    229,053/343,601.37 = 71,239.08/x
  3. Step 3: Cross multiply
    229,053x = 343,601.37 × 71,239.08
  4. Step 4: Simplify right side
    229,053x = 24,477,845,485.54
  5. Step 5: Solve for x
    x = 24,477,845,485.54/229,053
  6. Step 6: Final answer
    x = 106,865.42

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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.