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Finding the Fourth Proportional to 92,150.76, 127,168.28 and 51,865.11

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Solution

The fourth proportional to 92,150.76, 127,168.28 and 51,865.11 is: 71,573.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,150.76 : 127,168.28 = 51,865.11 : x
  2. Step 2: Convert to fraction form
    92,150.76/127,168.28 = 51,865.11/x
  3. Step 3: Cross multiply
    92,150.76x = 127,168.28 × 51,865.11
  4. Step 4: Simplify right side
    92,150.76x = 6,595,596,765.88
  5. Step 5: Solve for x
    x = 6,595,596,765.88/92,150.76
  6. Step 6: Final answer
    x = 71,573.98

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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.