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Finding the Fourth Proportional to 92,179.88, 127,200.07 and 51,340.89

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Solution

The fourth proportional to 92,179.88, 127,200.07 and 51,340.89 is: 70,845.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,179.88 : 127,200.07 = 51,340.89 : x
  2. Step 2: Convert to fraction form
    92,179.88/127,200.07 = 51,340.89/x
  3. Step 3: Cross multiply
    92,179.88x = 127,200.07 × 51,340.89
  4. Step 4: Simplify right side
    92,179.88x = 6,530,564,801.86
  5. Step 5: Solve for x
    x = 6,530,564,801.86/92,179.88
  6. Step 6: Final answer
    x = 70,845.88

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1.5x scale

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.