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Finding the Fourth Proportional to 93,466.76, 128,982.12 and 51,026

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Solution

The fourth proportional to 93,466.76, 128,982.12 and 51,026 is: 70,414.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,466.76 : 128,982.12 = 51,026 : x
  2. Step 2: Convert to fraction form
    93,466.76/128,982.12 = 51,026/x
  3. Step 3: Cross multiply
    93,466.76x = 128,982.12 × 51,026
  4. Step 4: Simplify right side
    93,466.76x = 6,581,441,655.12
  5. Step 5: Solve for x
    x = 6,581,441,655.12/93,466.76
  6. Step 6: Final answer
    x = 70,414.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.