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Finding the Fourth Proportional to 272,153.28, 408,226.56 and 94,656.96

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Solution

The fourth proportional to 272,153.28, 408,226.56 and 94,656.96 is: 141,984.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,153.28 : 408,226.56 = 94,656.96 : x
  2. Step 2: Convert to fraction form
    272,153.28/408,226.56 = 94,656.96/x
  3. Step 3: Cross multiply
    272,153.28x = 408,226.56 × 94,656.96
  4. Step 4: Simplify right side
    272,153.28x = 38,641,485,160.86
  5. Step 5: Solve for x
    x = 38,641,485,160.86/272,153.28
  6. Step 6: Final answer
    x = 141,984.27

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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.