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Finding the Fourth Proportional to 176,961.60, 265,960.80 and 173,851.20

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Solution

The fourth proportional to 176,961.60, 265,960.80 and 173,851.20 is: 261,286.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,961.60 : 265,960.80 = 173,851.20 : x
  2. Step 2: Convert to fraction form
    176,961.60/265,960.80 = 173,851.20/x
  3. Step 3: Cross multiply
    176,961.60x = 265,960.80 × 173,851.20
  4. Step 4: Simplify right side
    176,961.60x = 46,237,604,232.96
  5. Step 5: Solve for x
    x = 46,237,604,232.96/176,961.60
  6. Step 6: Final answer
    x = 261,286.09

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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.