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Finding the Fourth Proportional to 229,303.80, 316,448.36 and 132,504.46

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Solution

The fourth proportional to 229,303.80, 316,448.36 and 132,504.46 is: 182,861.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,303.80 : 316,448.36 = 132,504.46 : x
  2. Step 2: Convert to fraction form
    229,303.80/316,448.36 = 132,504.46/x
  3. Step 3: Cross multiply
    229,303.80x = 316,448.36 × 132,504.46
  4. Step 4: Simplify right side
    229,303.80x = 41,930,819,059.69
  5. Step 5: Solve for x
    x = 41,930,819,059.69/229,303.80
  6. Step 6: Final answer
    x = 182,861.42

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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.