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Finding the Fourth Proportional to 272,528.96, 408,795.26 and 95,035.28

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Solution

The fourth proportional to 272,528.96, 408,795.26 and 95,035.28 is: 142,553.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,528.96 : 408,795.26 = 95,035.28 : x
  2. Step 2: Convert to fraction form
    272,528.96/408,795.26 = 95,035.28/x
  3. Step 3: Cross multiply
    272,528.96x = 408,795.26 × 95,035.28
  4. Step 4: Simplify right side
    272,528.96x = 38,849,969,477.62
  5. Step 5: Solve for x
    x = 38,849,969,477.62/272,528.96
  6. Step 6: Final answer
    x = 142,553.55

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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.