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Finding the Fourth Proportional to 94,884.29, 130,940.83 and 51,863.84

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Solution

The fourth proportional to 94,884.29, 130,940.83 and 51,863.84 is: 71,572.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,884.29 : 130,940.83 = 51,863.84 : x
  2. Step 2: Convert to fraction form
    94,884.29/130,940.83 = 51,863.84/x
  3. Step 3: Cross multiply
    94,884.29x = 130,940.83 × 51,863.84
  4. Step 4: Simplify right side
    94,884.29x = 6,791,094,157.74
  5. Step 5: Solve for x
    x = 6,791,094,157.74/94,884.29
  6. Step 6: Final answer
    x = 71,572.38

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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.