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Finding the Fourth Proportional to 252,499.94, 348,449.95 and 139,322.69

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Solution

The fourth proportional to 252,499.94, 348,449.95 and 139,322.69 is: 192,265.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,499.94 : 348,449.95 = 139,322.69 : x
  2. Step 2: Convert to fraction form
    252,499.94/348,449.95 = 139,322.69/x
  3. Step 3: Cross multiply
    252,499.94x = 348,449.95 × 139,322.69
  4. Step 4: Simplify right side
    252,499.94x = 48,546,984,364.37
  5. Step 5: Solve for x
    x = 48,546,984,364.37/252,499.94
  6. Step 6: Final answer
    x = 192,265.33

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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.