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Finding the Fourth Proportional to 69,115.18, 95,291.76 and 45,203.98

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Solution

The fourth proportional to 69,115.18, 95,291.76 and 45,203.98 is: 62,324.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,115.18 : 95,291.76 = 45,203.98 : x
  2. Step 2: Convert to fraction form
    69,115.18/95,291.76 = 45,203.98/x
  3. Step 3: Cross multiply
    69,115.18x = 95,291.76 × 45,203.98
  4. Step 4: Simplify right side
    69,115.18x = 4,307,566,813.20
  5. Step 5: Solve for x
    x = 4,307,566,813.20/69,115.18
  6. Step 6: Final answer
    x = 62,324.47

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.