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Finding the Fourth Proportional to 177,076.70, 265,787.85 and 88,430.30

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Solution

The fourth proportional to 177,076.70, 265,787.85 and 88,430.30 is: 132,731.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,076.70 : 265,787.85 = 88,430.30 : x
  2. Step 2: Convert to fraction form
    177,076.70/265,787.85 = 88,430.30/x
  3. Step 3: Cross multiply
    177,076.70x = 265,787.85 × 88,430.30
  4. Step 4: Simplify right side
    177,076.70x = 23,503,699,311.86
  5. Step 5: Solve for x
    x = 23,503,699,311.86/177,076.70
  6. Step 6: Final answer
    x = 132,731.74

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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.