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Finding the Fourth Proportional to 176,327.73, 243,318.79 and 103,733.51

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Solution

The fourth proportional to 176,327.73, 243,318.79 and 103,733.51 is: 143,144.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,327.73 : 243,318.79 = 103,733.51 : x
  2. Step 2: Convert to fraction form
    176,327.73/243,318.79 = 103,733.51/x
  3. Step 3: Cross multiply
    176,327.73x = 243,318.79 × 103,733.51
  4. Step 4: Simplify right side
    176,327.73x = 25,240,311,833.89
  5. Step 5: Solve for x
    x = 25,240,311,833.89/176,327.73
  6. Step 6: Final answer
    x = 143,144.31

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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.