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Finding the Fourth Proportional to 104,351.34, 156,551.58 and 83,084.49

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Solution

The fourth proportional to 104,351.34, 156,551.58 and 83,084.49 is: 124,646.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,351.34 : 156,551.58 = 83,084.49 : x
  2. Step 2: Convert to fraction form
    104,351.34/156,551.58 = 83,084.49/x
  3. Step 3: Cross multiply
    104,351.34x = 156,551.58 × 83,084.49
  4. Step 4: Simplify right side
    104,351.34x = 13,007,008,182.99
  5. Step 5: Solve for x
    x = 13,007,008,182.99/104,351.34
  6. Step 6: Final answer
    x = 124,646.30

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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.