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Finding the Fourth Proportional to 92,201.16, 127,236.20 and 51,914.80

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Solution

The fourth proportional to 92,201.16, 127,236.20 and 51,914.80 is: 71,641.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,201.16 : 127,236.20 = 51,914.80 : x
  2. Step 2: Convert to fraction form
    92,201.16/127,236.20 = 51,914.80/x
  3. Step 3: Cross multiply
    92,201.16x = 127,236.20 × 51,914.80
  4. Step 4: Simplify right side
    92,201.16x = 6,605,441,875.76
  5. Step 5: Solve for x
    x = 6,605,441,875.76/92,201.16
  6. Step 6: Final answer
    x = 71,641.64

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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.