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Finding the Fourth Proportional to 117,791.61, 176,689.29 and 29,045.15

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Solution

The fourth proportional to 117,791.61, 176,689.29 and 29,045.15 is: 43,568.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,791.61 : 176,689.29 = 29,045.15 : x
  2. Step 2: Convert to fraction form
    117,791.61/176,689.29 = 29,045.15/x
  3. Step 3: Cross multiply
    117,791.61x = 176,689.29 × 29,045.15
  4. Step 4: Simplify right side
    117,791.61x = 5,131,966,048.00
  5. Step 5: Solve for x
    x = 5,131,966,048.00/117,791.61
  6. Step 6: Final answer
    x = 43,568.18

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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.