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Finding the Fourth Proportional to 252,296.92, 348,162.30 and 139,119.64

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Solution

The fourth proportional to 252,296.92, 348,162.30 and 139,119.64 is: 191,981.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,296.92 : 348,162.30 = 139,119.64 : x
  2. Step 2: Convert to fraction form
    252,296.92/348,162.30 = 139,119.64/x
  3. Step 3: Cross multiply
    252,296.92x = 348,162.30 × 139,119.64
  4. Step 4: Simplify right side
    252,296.92x = 48,436,213,837.57
  5. Step 5: Solve for x
    x = 48,436,213,837.57/252,296.92
  6. Step 6: Final answer
    x = 191,981.00

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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.