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Finding the Fourth Proportional to 179,223.70, 268,835.55 and 54,564.70

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Solution

The fourth proportional to 179,223.70, 268,835.55 and 54,564.70 is: 81,847.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,223.70 : 268,835.55 = 54,564.70 : x
  2. Step 2: Convert to fraction form
    179,223.70/268,835.55 = 54,564.70/x
  3. Step 3: Cross multiply
    179,223.70x = 268,835.55 × 54,564.70
  4. Step 4: Simplify right side
    179,223.70x = 14,668,931,135.09
  5. Step 5: Solve for x
    x = 14,668,931,135.09/179,223.70
  6. Step 6: Final answer
    x = 81,847.05

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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.