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Finding the Fourth Proportional to 125,505.51, 188,258.73 and 88,232.41

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Solution

The fourth proportional to 125,505.51, 188,258.73 and 88,232.41 is: 132,348.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,505.51 : 188,258.73 = 88,232.41 : x
  2. Step 2: Convert to fraction form
    125,505.51/188,258.73 = 88,232.41/x
  3. Step 3: Cross multiply
    125,505.51x = 188,258.73 × 88,232.41
  4. Step 4: Simplify right side
    125,505.51x = 16,610,521,451.44
  5. Step 5: Solve for x
    x = 16,610,521,451.44/125,505.51
  6. Step 6: Final answer
    x = 132,348.94

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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.