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Finding the Fourth Proportional to 92,128.96, 127,135.20 and 51,844.96

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Solution

The fourth proportional to 92,128.96, 127,135.20 and 51,844.96 is: 71,544.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,128.96 : 127,135.20 = 51,844.96 : x
  2. Step 2: Convert to fraction form
    92,128.96/127,135.20 = 51,844.96/x
  3. Step 3: Cross multiply
    92,128.96x = 127,135.20 × 51,844.96
  4. Step 4: Simplify right side
    92,128.96x = 6,591,319,358.59
  5. Step 5: Solve for x
    x = 6,591,319,358.59/92,128.96
  6. Step 6: Final answer
    x = 71,544.49

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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.