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Finding the Fourth Proportional to 173,287.59, 239,037.11 and 104,329.12

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Solution

The fourth proportional to 173,287.59, 239,037.11 and 104,329.12 is: 143,914.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,287.59 : 239,037.11 = 104,329.12 : x
  2. Step 2: Convert to fraction form
    173,287.59/239,037.11 = 104,329.12/x
  3. Step 3: Cross multiply
    173,287.59x = 239,037.11 × 104,329.12
  4. Step 4: Simplify right side
    173,287.59x = 24,938,530,138.46
  5. Step 5: Solve for x
    x = 24,938,530,138.46/173,287.59
  6. Step 6: Final answer
    x = 143,914.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.