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Finding the Fourth Proportional to 224,089.53, 335,880.05 and 139,887.29

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Solution

The fourth proportional to 224,089.53, 335,880.05 and 139,887.29 is: 209,672.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,089.53 : 335,880.05 = 139,887.29 : x
  2. Step 2: Convert to fraction form
    224,089.53/335,880.05 = 139,887.29/x
  3. Step 3: Cross multiply
    224,089.53x = 335,880.05 × 139,887.29
  4. Step 4: Simplify right side
    224,089.53x = 46,985,349,959.56
  5. Step 5: Solve for x
    x = 46,985,349,959.56/224,089.53
  6. Step 6: Final answer
    x = 209,672.22

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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.