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Finding the Fourth Proportional to 53,648.88, 80,955.78 and 51,795.60

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Solution

The fourth proportional to 53,648.88, 80,955.78 and 51,795.60 is: 78,159.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,648.88 : 80,955.78 = 51,795.60 : x
  2. Step 2: Convert to fraction form
    53,648.88/80,955.78 = 51,795.60/x
  3. Step 3: Cross multiply
    53,648.88x = 80,955.78 × 51,795.60
  4. Step 4: Simplify right side
    53,648.88x = 4,193,153,198.57
  5. Step 5: Solve for x
    x = 4,193,153,198.57/53,648.88
  6. Step 6: Final answer
    x = 78,159.19

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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.