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Finding the Fourth Proportional to 117,710.88, 176,466.72 and 51,100.56

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Solution

The fourth proportional to 117,710.88, 176,466.72 and 51,100.56 is: 76,607.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,710.88 : 176,466.72 = 51,100.56 : x
  2. Step 2: Convert to fraction form
    117,710.88/176,466.72 = 51,100.56/x
  3. Step 3: Cross multiply
    117,710.88x = 176,466.72 × 51,100.56
  4. Step 4: Simplify right side
    117,710.88x = 9,017,548,213.36
  5. Step 5: Solve for x
    x = 9,017,548,213.36/117,710.88
  6. Step 6: Final answer
    x = 76,607.60

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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.