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Finding the Fourth Proportional to 117,792.61, 176,690.79 and 29,046.15

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Solution

The fourth proportional to 117,792.61, 176,690.79 and 29,046.15 is: 43,569.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,792.61 : 176,690.79 = 29,046.15 : x
  2. Step 2: Convert to fraction form
    117,792.61/176,690.79 = 29,046.15/x
  3. Step 3: Cross multiply
    117,792.61x = 176,690.79 × 29,046.15
  4. Step 4: Simplify right side
    117,792.61x = 5,132,187,189.96
  5. Step 5: Solve for x
    x = 5,132,187,189.96/117,792.61
  6. Step 6: Final answer
    x = 43,569.69

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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.