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Finding the Fourth Proportional to 176,364.43, 243,376.00 and 104,742.61

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Solution

The fourth proportional to 176,364.43, 243,376.00 and 104,742.61 is: 144,540.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,364.43 : 243,376.00 = 104,742.61 : x
  2. Step 2: Convert to fraction form
    176,364.43/243,376.00 = 104,742.61/x
  3. Step 3: Cross multiply
    176,364.43x = 243,376.00 × 104,742.61
  4. Step 4: Simplify right side
    176,364.43x = 25,491,836,581.06
  5. Step 5: Solve for x
    x = 25,491,836,581.06/176,364.43
  6. Step 6: Final answer
    x = 144,540.69

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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.