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Finding the Fourth Proportional to 176,759.17, 265,139.30 and 43,639.44

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Solution

The fourth proportional to 176,759.17, 265,139.30 and 43,639.44 is: 65,459.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,759.17 : 265,139.30 = 43,639.44 : x
  2. Step 2: Convert to fraction form
    176,759.17/265,139.30 = 43,639.44/x
  3. Step 3: Cross multiply
    176,759.17x = 265,139.30 × 43,639.44
  4. Step 4: Simplify right side
    176,759.17x = 11,570,530,573.99
  5. Step 5: Solve for x
    x = 11,570,530,573.99/176,759.17
  6. Step 6: Final answer
    x = 65,459.29

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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.