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Finding the Fourth Proportional to 272,383.16, 408,576.51 and 94,893.50

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Solution

The fourth proportional to 272,383.16, 408,576.51 and 94,893.50 is: 142,340.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,383.16 : 408,576.51 = 94,893.50 : x
  2. Step 2: Convert to fraction form
    272,383.16/408,576.51 = 94,893.50/x
  3. Step 3: Cross multiply
    272,383.16x = 408,576.51 × 94,893.50
  4. Step 4: Simplify right side
    272,383.16x = 38,771,255,051.69
  5. Step 5: Solve for x
    x = 38,771,255,051.69/272,383.16
  6. Step 6: Final answer
    x = 142,340.87

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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.