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Finding the Fourth Proportional to 252,877.76, 379,371.27 and 134,531.90

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Solution

The fourth proportional to 252,877.76, 379,371.27 and 134,531.90 is: 201,826.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,877.76 : 379,371.27 = 134,531.90 : x
  2. Step 2: Convert to fraction form
    252,877.76/379,371.27 = 134,531.90/x
  3. Step 3: Cross multiply
    252,877.76x = 379,371.27 × 134,531.90
  4. Step 4: Simplify right side
    252,877.76x = 51,037,537,758.51
  5. Step 5: Solve for x
    x = 51,037,537,758.51/252,877.76
  6. Step 6: Final answer
    x = 201,826.91

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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.