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Finding the Fourth Proportional to 88,106.43, 132,173.43 and 28,928.64

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Solution

The fourth proportional to 88,106.43, 132,173.43 and 28,928.64 is: 43,397.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,106.43 : 132,173.43 = 28,928.64 : x
  2. Step 2: Convert to fraction form
    88,106.43/132,173.43 = 28,928.64/x
  3. Step 3: Cross multiply
    88,106.43x = 132,173.43 × 28,928.64
  4. Step 4: Simplify right side
    88,106.43x = 3,823,597,574.04
  5. Step 5: Solve for x
    x = 3,823,597,574.04/88,106.43
  6. Step 6: Final answer
    x = 43,397.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.