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Finding the Fourth Proportional to 236,810.79, 354,910.01 and 177,178.59

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Solution

The fourth proportional to 236,810.79, 354,910.01 and 177,178.59 is: 265,538.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,810.79 : 354,910.01 = 177,178.59 : x
  2. Step 2: Convert to fraction form
    236,810.79/354,910.01 = 177,178.59/x
  3. Step 3: Cross multiply
    236,810.79x = 354,910.01 × 177,178.59
  4. Step 4: Simplify right side
    236,810.79x = 62,882,454,262.79
  5. Step 5: Solve for x
    x = 62,882,454,262.79/236,810.79
  6. Step 6: Final answer
    x = 265,538.81

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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.