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Finding the Fourth Proportional to 272,491.96, 408,741.18 and 95,002.60

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Solution

The fourth proportional to 272,491.96, 408,741.18 and 95,002.60 is: 142,505.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,491.96 : 408,741.18 = 95,002.60 : x
  2. Step 2: Convert to fraction form
    272,491.96/408,741.18 = 95,002.60/x
  3. Step 3: Cross multiply
    272,491.96x = 408,741.18 × 95,002.60
  4. Step 4: Simplify right side
    272,491.96x = 38,831,474,827.07
  5. Step 5: Solve for x
    x = 38,831,474,827.07/272,491.96
  6. Step 6: Final answer
    x = 142,505.03

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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.