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Finding the Fourth Proportional to 93,301.60, 139,770.96 and 83,331.04

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Solution

The fourth proportional to 93,301.60, 139,770.96 and 83,331.04 is: 124,834.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,301.60 : 139,770.96 = 83,331.04 : x
  2. Step 2: Convert to fraction form
    93,301.60/139,770.96 = 83,331.04/x
  3. Step 3: Cross multiply
    93,301.60x = 139,770.96 × 83,331.04
  4. Step 4: Simplify right side
    93,301.60x = 11,647,259,458.60
  5. Step 5: Solve for x
    x = 11,647,259,458.60/93,301.60
  6. Step 6: Final answer
    x = 124,834.51

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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.