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Finding the Fourth Proportional to 177,671.88, 245,113.29 and 116,400.60

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Solution

The fourth proportional to 177,671.88, 245,113.29 and 116,400.60 is: 160,584.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,671.88 : 245,113.29 = 116,400.60 : x
  2. Step 2: Convert to fraction form
    177,671.88/245,113.29 = 116,400.60/x
  3. Step 3: Cross multiply
    177,671.88x = 245,113.29 × 116,400.60
  4. Step 4: Simplify right side
    177,671.88x = 28,531,334,023.97
  5. Step 5: Solve for x
    x = 28,531,334,023.97/177,671.88
  6. Step 6: Final answer
    x = 160,584.41

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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.