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Finding the Fourth Proportional to 93,540.42, 129,087.68 and 51,101.69

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Solution

The fourth proportional to 93,540.42, 129,087.68 and 51,101.69 is: 70,521.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,540.42 : 129,087.68 = 51,101.69 : x
  2. Step 2: Convert to fraction form
    93,540.42/129,087.68 = 51,101.69/x
  3. Step 3: Cross multiply
    93,540.42x = 129,087.68 × 51,101.69
  4. Step 4: Simplify right side
    93,540.42x = 6,596,597,705.23
  5. Step 5: Solve for x
    x = 6,596,597,705.23/93,540.42
  6. Step 6: Final answer
    x = 70,521.36

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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.