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Finding the Fourth Proportional to 94,685.92, 130,619.76 and 61,960.96

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Solution

The fourth proportional to 94,685.92, 130,619.76 and 61,960.96 is: 85,475.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,685.92 : 130,619.76 = 61,960.96 : x
  2. Step 2: Convert to fraction form
    94,685.92/130,619.76 = 61,960.96/x
  3. Step 3: Cross multiply
    94,685.92x = 130,619.76 × 61,960.96
  4. Step 4: Simplify right side
    94,685.92x = 8,093,325,724.57
  5. Step 5: Solve for x
    x = 8,093,325,724.57/94,685.92
  6. Step 6: Final answer
    x = 85,475.49

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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.