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Finding the Fourth Proportional to 93,987.88, 129,703.34 and 51,546.58

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Solution

The fourth proportional to 93,987.88, 129,703.34 and 51,546.58 is: 71,134.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,987.88 : 129,703.34 = 51,546.58 : x
  2. Step 2: Convert to fraction form
    93,987.88/129,703.34 = 51,546.58/x
  3. Step 3: Cross multiply
    93,987.88x = 129,703.34 × 51,546.58
  4. Step 4: Simplify right side
    93,987.88x = 6,685,763,591.58
  5. Step 5: Solve for x
    x = 6,685,763,591.58/93,987.88
  6. Step 6: Final answer
    x = 71,134.32

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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.