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Finding the Fourth Proportional to 252,495.62, 348,445.15 and 139,318.37

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Solution

The fourth proportional to 252,495.62, 348,445.15 and 139,318.37 is: 192,260.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,495.62 : 348,445.15 = 139,318.37 : x
  2. Step 2: Convert to fraction form
    252,495.62/348,445.15 = 139,318.37/x
  3. Step 3: Cross multiply
    252,495.62x = 348,445.15 × 139,318.37
  4. Step 4: Simplify right side
    252,495.62x = 48,544,808,241.88
  5. Step 5: Solve for x
    x = 48,544,808,241.88/252,495.62
  6. Step 6: Final answer
    x = 192,260.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.