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Finding the Fourth Proportional to 92,130.62, 127,138.77 and 51,844.37

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Solution

The fourth proportional to 92,130.62, 127,138.77 and 51,844.37 is: 71,544.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,130.62 : 127,138.77 = 51,844.37 : x
  2. Step 2: Convert to fraction form
    92,130.62/127,138.77 = 51,844.37/x
  3. Step 3: Cross multiply
    92,130.62x = 127,138.77 × 51,844.37
  4. Step 4: Simplify right side
    92,130.62x = 6,591,428,797.53
  5. Step 5: Solve for x
    x = 6,591,428,797.53/92,130.62
  6. Step 6: Final answer
    x = 71,544.39

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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.