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Finding the Fourth Proportional to 369,198.21, 553,797.29 and 88,715.46

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Solution

The fourth proportional to 369,198.21, 553,797.29 and 88,715.46 is: 133,073.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,198.21 : 553,797.29 = 88,715.46 : x
  2. Step 2: Convert to fraction form
    369,198.21/553,797.29 = 88,715.46/x
  3. Step 3: Cross multiply
    369,198.21x = 553,797.29 × 88,715.46
  4. Step 4: Simplify right side
    369,198.21x = 49,130,383,627.63
  5. Step 5: Solve for x
    x = 49,130,383,627.63/369,198.21
  6. Step 6: Final answer
    x = 133,073.19

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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.