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Finding the Fourth Proportional to 118,139.76, 177,179.40 and 35,014.32

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Solution

The fourth proportional to 118,139.76, 177,179.40 and 35,014.32 is: 52,512.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,139.76 : 177,179.40 = 35,014.32 : x
  2. Step 2: Convert to fraction form
    118,139.76/177,179.40 = 35,014.32/x
  3. Step 3: Cross multiply
    118,139.76x = 177,179.40 × 35,014.32
  4. Step 4: Simplify right side
    118,139.76x = 6,203,816,209.01
  5. Step 5: Solve for x
    x = 6,203,816,209.01/118,139.76
  6. Step 6: Final answer
    x = 52,512.52

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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.