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Finding the Fourth Proportional to 229,486.26, 316,600.30 and 132,672.28

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Solution

The fourth proportional to 229,486.26, 316,600.30 and 132,672.28 is: 183,035.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,486.26 : 316,600.30 = 132,672.28 : x
  2. Step 2: Convert to fraction form
    229,486.26/316,600.30 = 132,672.28/x
  3. Step 3: Cross multiply
    229,486.26x = 316,600.30 × 132,672.28
  4. Step 4: Simplify right side
    229,486.26x = 42,004,082,871.37
  5. Step 5: Solve for x
    x = 42,004,082,871.37/229,486.26
  6. Step 6: Final answer
    x = 183,035.28

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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.