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Finding the Fourth Proportional to 179,574.55, 269,426.30 and 76,948.81

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Solution

The fourth proportional to 179,574.55, 269,426.30 and 76,948.81 is: 115,450.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,574.55 : 269,426.30 = 76,948.81 : x
  2. Step 2: Convert to fraction form
    179,574.55/269,426.30 = 76,948.81/x
  3. Step 3: Cross multiply
    179,574.55x = 269,426.30 × 76,948.81
  4. Step 4: Simplify right side
    179,574.55x = 20,732,032,109.39
  5. Step 5: Solve for x
    x = 20,732,032,109.39/179,574.55
  6. Step 6: Final answer
    x = 115,450.84

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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.