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Finding the Fourth Proportional to 93,753.19, 140,561.95 and 55,712.29

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Solution

The fourth proportional to 93,753.19, 140,561.95 and 55,712.29 is: 83,528.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,753.19 : 140,561.95 = 55,712.29 : x
  2. Step 2: Convert to fraction form
    93,753.19/140,561.95 = 55,712.29/x
  3. Step 3: Cross multiply
    93,753.19x = 140,561.95 × 55,712.29
  4. Step 4: Simplify right side
    93,753.19x = 7,831,028,121.37
  5. Step 5: Solve for x
    x = 7,831,028,121.37/93,753.19
  6. Step 6: Final answer
    x = 83,528.12

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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.