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Finding the Fourth Proportional to 232,346.55, 348,534.41 and 74,571.51

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Solution

The fourth proportional to 232,346.55, 348,534.41 and 74,571.51 is: 111,861.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,346.55 : 348,534.41 = 74,571.51 : x
  2. Step 2: Convert to fraction form
    232,346.55/348,534.41 = 74,571.51/x
  3. Step 3: Cross multiply
    232,346.55x = 348,534.41 × 74,571.51
  4. Step 4: Simplify right side
    232,346.55x = 25,990,736,867.80
  5. Step 5: Solve for x
    x = 25,990,736,867.80/232,346.55
  6. Step 6: Final answer
    x = 111,861.94

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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.