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Finding the Fourth Proportional to 118,076.52, 177,100.20 and 51,562.56

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Solution

The fourth proportional to 118,076.52, 177,100.20 and 51,562.56 is: 77,337.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,076.52 : 177,100.20 = 51,562.56 : x
  2. Step 2: Convert to fraction form
    118,076.52/177,100.20 = 51,562.56/x
  3. Step 3: Cross multiply
    118,076.52x = 177,100.20 × 51,562.56
  4. Step 4: Simplify right side
    118,076.52x = 9,131,739,688.51
  5. Step 5: Solve for x
    x = 9,131,739,688.51/118,076.52
  6. Step 6: Final answer
    x = 77,337.47

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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.