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Finding the Fourth Proportional to 88,123.53, 132,185.30 and 53,284.62

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Solution

The fourth proportional to 88,123.53, 132,185.30 and 53,284.62 is: 79,926.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,123.53 : 132,185.30 = 53,284.62 : x
  2. Step 2: Convert to fraction form
    88,123.53/132,185.30 = 53,284.62/x
  3. Step 3: Cross multiply
    88,123.53x = 132,185.30 × 53,284.62
  4. Step 4: Simplify right side
    88,123.53x = 7,043,443,480.09
  5. Step 5: Solve for x
    x = 7,043,443,480.09/88,123.53
  6. Step 6: Final answer
    x = 79,926.93

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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.