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Finding the Fourth Proportional to 77,295.93, 116,470.41 and 63,563.55

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Solution

The fourth proportional to 77,295.93, 116,470.41 and 63,563.55 is: 95,778.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,295.93 : 116,470.41 = 63,563.55 : x
  2. Step 2: Convert to fraction form
    77,295.93/116,470.41 = 63,563.55/x
  3. Step 3: Cross multiply
    77,295.93x = 116,470.41 × 63,563.55
  4. Step 4: Simplify right side
    77,295.93x = 7,403,272,729.56
  5. Step 5: Solve for x
    x = 7,403,272,729.56/77,295.93
  6. Step 6: Final answer
    x = 95,778.30

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.