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Finding the Fourth Proportional to 92,106.88, 127,112.16 and 54,380.32

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Solution

The fourth proportional to 92,106.88, 127,112.16 and 54,380.32 is: 75,047.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,106.88 : 127,112.16 = 54,380.32 : x
  2. Step 2: Convert to fraction form
    92,106.88/127,112.16 = 54,380.32/x
  3. Step 3: Cross multiply
    92,106.88x = 127,112.16 × 54,380.32
  4. Step 4: Simplify right side
    92,106.88x = 6,912,399,936.69
  5. Step 5: Solve for x
    x = 6,912,399,936.69/92,106.88
  6. Step 6: Final answer
    x = 75,047.60

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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.