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Finding the Fourth Proportional to 93,425.91, 140,138.86 and 30,298.83

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Solution

The fourth proportional to 93,425.91, 140,138.86 and 30,298.83 is: 45,448.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,425.91 : 140,138.86 = 30,298.83 : x
  2. Step 2: Convert to fraction form
    93,425.91/140,138.86 = 30,298.83/x
  3. Step 3: Cross multiply
    93,425.91x = 140,138.86 × 30,298.83
  4. Step 4: Simplify right side
    93,425.91x = 4,246,044,133.50
  5. Step 5: Solve for x
    x = 4,246,044,133.50/93,425.91
  6. Step 6: Final answer
    x = 45,448.25

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.