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Finding the Fourth Proportional to 176,661.71, 243,771.02 and 119,425.56

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Solution

The fourth proportional to 176,661.71, 243,771.02 and 119,425.56 is: 164,792.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,661.71 : 243,771.02 = 119,425.56 : x
  2. Step 2: Convert to fraction form
    176,661.71/243,771.02 = 119,425.56/x
  3. Step 3: Cross multiply
    176,661.71x = 243,771.02 × 119,425.56
  4. Step 4: Simplify right side
    176,661.71x = 29,112,491,568.67
  5. Step 5: Solve for x
    x = 29,112,491,568.67/176,661.71
  6. Step 6: Final answer
    x = 164,792.31

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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.