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Finding the Fourth Proportional to 229,586.62, 316,827.44 and 127,609.46

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Solution

The fourth proportional to 229,586.62, 316,827.44 and 127,609.46 is: 176,099.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,586.62 : 316,827.44 = 127,609.46 : x
  2. Step 2: Convert to fraction form
    229,586.62/316,827.44 = 127,609.46/x
  3. Step 3: Cross multiply
    229,586.62x = 316,827.44 × 127,609.46
  4. Step 4: Simplify right side
    229,586.62x = 40,430,178,531.58
  5. Step 5: Solve for x
    x = 40,430,178,531.58/229,586.62
  6. Step 6: Final answer
    x = 176,099.89

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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.