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Finding the Fourth Proportional to 94,863.89, 130,912.13 and 52,422.05

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Solution

The fourth proportional to 94,863.89, 130,912.13 and 52,422.05 is: 72,342.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,863.89 : 130,912.13 = 52,422.05 : x
  2. Step 2: Convert to fraction form
    94,863.89/130,912.13 = 52,422.05/x
  3. Step 3: Cross multiply
    94,863.89x = 130,912.13 × 52,422.05
  4. Step 4: Simplify right side
    94,863.89x = 6,862,681,962.36
  5. Step 5: Solve for x
    x = 6,862,681,962.36/94,863.89
  6. Step 6: Final answer
    x = 72,342.41

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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.