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Finding the Fourth Proportional to 272,244.56, 408,012.03 and 139,012.52

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Solution

The fourth proportional to 272,244.56, 408,012.03 and 139,012.52 is: 208,337.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,244.56 : 408,012.03 = 139,012.52 : x
  2. Step 2: Convert to fraction form
    272,244.56/408,012.03 = 139,012.52/x
  3. Step 3: Cross multiply
    272,244.56x = 408,012.03 × 139,012.52
  4. Step 4: Simplify right side
    272,244.56x = 56,718,778,440.56
  5. Step 5: Solve for x
    x = 56,718,778,440.56/272,244.56
  6. Step 6: Final answer
    x = 208,337.60

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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.