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Finding the Fourth Proportional to 92,150, 127,173.36 and 51,867.60

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Solution

The fourth proportional to 92,150, 127,173.36 and 51,867.60 is: 71,580.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,150 : 127,173.36 = 51,867.60 : x
  2. Step 2: Convert to fraction form
    92,150/127,173.36 = 51,867.60/x
  3. Step 3: Cross multiply
    92,150x = 127,173.36 × 51,867.60
  4. Step 4: Simplify right side
    92,150x = 6,596,176,967.14
  5. Step 5: Solve for x
    x = 6,596,176,967.14/92,150
  6. Step 6: Final answer
    x = 71,580.87

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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.