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Finding the Fourth Proportional to 117,876.67, 176,851.89 and 75,804.26

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Solution

The fourth proportional to 117,876.67, 176,851.89 and 75,804.26 is: 113,730.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,876.67 : 176,851.89 = 75,804.26 : x
  2. Step 2: Convert to fraction form
    117,876.67/176,851.89 = 75,804.26/x
  3. Step 3: Cross multiply
    117,876.67x = 176,851.89 × 75,804.26
  4. Step 4: Simplify right side
    117,876.67x = 13,406,125,766.79
  5. Step 5: Solve for x
    x = 13,406,125,766.79/117,876.67
  6. Step 6: Final answer
    x = 113,730.10

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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.