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Finding the Fourth Proportional to 93,840.70, 140,736.45 and 34,693.29

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Solution

The fourth proportional to 93,840.70, 140,736.45 and 34,693.29 is: 52,030.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,840.70 : 140,736.45 = 34,693.29 : x
  2. Step 2: Convert to fraction form
    93,840.70/140,736.45 = 34,693.29/x
  3. Step 3: Cross multiply
    93,840.70x = 140,736.45 × 34,693.29
  4. Step 4: Simplify right side
    93,840.70x = 4,882,610,473.42
  5. Step 5: Solve for x
    x = 4,882,610,473.42/93,840.70
  6. Step 6: Final answer
    x = 52,030.84

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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.