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Finding the Fourth Proportional to 88,134.66, 132,173.94 and 28,956.66

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Solution

The fourth proportional to 88,134.66, 132,173.94 and 28,956.66 is: 43,425.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,134.66 : 132,173.94 = 28,956.66 : x
  2. Step 2: Convert to fraction form
    88,134.66/132,173.94 = 28,956.66/x
  3. Step 3: Cross multiply
    88,134.66x = 132,173.94 × 28,956.66
  4. Step 4: Simplify right side
    88,134.66x = 3,827,315,841.44
  5. Step 5: Solve for x
    x = 3,827,315,841.44/88,134.66
  6. Step 6: Final answer
    x = 43,425.77

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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.