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Finding the Fourth Proportional to 92,229.51, 127,285.78 and 53,986.75

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Solution

The fourth proportional to 92,229.51, 127,285.78 and 53,986.75 is: 74,507.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,229.51 : 127,285.78 = 53,986.75 : x
  2. Step 2: Convert to fraction form
    92,229.51/127,285.78 = 53,986.75/x
  3. Step 3: Cross multiply
    92,229.51x = 127,285.78 × 53,986.75
  4. Step 4: Simplify right side
    92,229.51x = 6,871,745,947.44
  5. Step 5: Solve for x
    x = 6,871,745,947.44/92,229.51
  6. Step 6: Final answer
    x = 74,507.02

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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.