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Finding the Fourth Proportional to 93,046.96, 139,599.76 and 30,761.20

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Solution

The fourth proportional to 93,046.96, 139,599.76 and 30,761.20 is: 46,151.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,046.96 : 139,599.76 = 30,761.20 : x
  2. Step 2: Convert to fraction form
    93,046.96/139,599.76 = 30,761.20/x
  3. Step 3: Cross multiply
    93,046.96x = 139,599.76 × 30,761.20
  4. Step 4: Simplify right side
    93,046.96x = 4,294,256,137.31
  5. Step 5: Solve for x
    x = 4,294,256,137.31/93,046.96
  6. Step 6: Final answer
    x = 46,151.49

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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.