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Finding the Fourth Proportional to 228,351.76, 315,426.63 and 175,292.44

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Solution

The fourth proportional to 228,351.76, 315,426.63 and 175,292.44 is: 242,134.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,351.76 : 315,426.63 = 175,292.44 : x
  2. Step 2: Convert to fraction form
    228,351.76/315,426.63 = 175,292.44/x
  3. Step 3: Cross multiply
    228,351.76x = 315,426.63 × 175,292.44
  4. Step 4: Simplify right side
    228,351.76x = 55,291,903,613.68
  5. Step 5: Solve for x
    x = 55,291,903,613.68/228,351.76
  6. Step 6: Final answer
    x = 242,134.78

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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.