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Finding the Fourth Proportional to 118,551.70, 177,827.55 and 52,023.70

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Solution

The fourth proportional to 118,551.70, 177,827.55 and 52,023.70 is: 78,035.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,551.70 : 177,827.55 = 52,023.70 : x
  2. Step 2: Convert to fraction form
    118,551.70/177,827.55 = 52,023.70/x
  3. Step 3: Cross multiply
    118,551.70x = 177,827.55 × 52,023.70
  4. Step 4: Simplify right side
    118,551.70x = 9,251,247,112.94
  5. Step 5: Solve for x
    x = 9,251,247,112.94/118,551.70
  6. Step 6: Final answer
    x = 78,035.55

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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.