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Finding the Fourth Proportional to 176,789.29, 265,183.94 and 145,558.93

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Solution

The fourth proportional to 176,789.29, 265,183.94 and 145,558.93 is: 218,338.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,789.29 : 265,183.94 = 145,558.93 : x
  2. Step 2: Convert to fraction form
    176,789.29/265,183.94 = 145,558.93/x
  3. Step 3: Cross multiply
    176,789.29x = 265,183.94 × 145,558.93
  4. Step 4: Simplify right side
    176,789.29x = 38,599,890,559.58
  5. Step 5: Solve for x
    x = 38,599,890,559.58/176,789.29
  6. Step 6: Final answer
    x = 218,338.40

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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.