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Finding the Fourth Proportional to 118,848.77, 177,871.28 and 115,650.28

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Solution

The fourth proportional to 118,848.77, 177,871.28 and 115,650.28 is: 173,084.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,848.77 : 177,871.28 = 115,650.28 : x
  2. Step 2: Convert to fraction form
    118,848.77/177,871.28 = 115,650.28/x
  3. Step 3: Cross multiply
    118,848.77x = 177,871.28 × 115,650.28
  4. Step 4: Simplify right side
    118,848.77x = 20,570,863,180.41
  5. Step 5: Solve for x
    x = 20,570,863,180.41/118,848.77
  6. Step 6: Final answer
    x = 173,084.37

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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.