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Finding the Fourth Proportional to 117,958.69, 176,985.02 and 43,083.91

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Solution

The fourth proportional to 117,958.69, 176,985.02 and 43,083.91 is: 64,643.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,958.69 : 176,985.02 = 43,083.91 : x
  2. Step 2: Convert to fraction form
    117,958.69/176,985.02 = 43,083.91/x
  3. Step 3: Cross multiply
    117,958.69x = 176,985.02 × 43,083.91
  4. Step 4: Simplify right side
    117,958.69x = 7,625,206,673.03
  5. Step 5: Solve for x
    x = 7,625,206,673.03/117,958.69
  6. Step 6: Final answer
    x = 64,643.03

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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.