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Finding the Fourth Proportional to 86,495.29, 119,227.08 and 63,761.44

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Solution

The fourth proportional to 86,495.29, 119,227.08 and 63,761.44 is: 87,890.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,495.29 : 119,227.08 = 63,761.44 : x
  2. Step 2: Convert to fraction form
    86,495.29/119,227.08 = 63,761.44/x
  3. Step 3: Cross multiply
    86,495.29x = 119,227.08 × 63,761.44
  4. Step 4: Simplify right side
    86,495.29x = 7,602,090,307.80
  5. Step 5: Solve for x
    x = 7,602,090,307.80/86,495.29
  6. Step 6: Final answer
    x = 87,890.22

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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.