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Finding the Fourth Proportional to 272,491.01, 408,764.38 and 104,153.03

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Solution

The fourth proportional to 272,491.01, 408,764.38 and 104,153.03 is: 156,240.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,491.01 : 408,764.38 = 104,153.03 : x
  2. Step 2: Convert to fraction form
    272,491.01/408,764.38 = 104,153.03/x
  3. Step 3: Cross multiply
    272,491.01x = 408,764.38 × 104,153.03
  4. Step 4: Simplify right side
    272,491.01x = 42,574,046,428.87
  5. Step 5: Solve for x
    x = 42,574,046,428.87/272,491.01
  6. Step 6: Final answer
    x = 156,240.19

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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.