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Finding the Fourth Proportional to 93,901.12, 140,843.20 and 34,737.28

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Solution

The fourth proportional to 93,901.12, 140,843.20 and 34,737.28 is: 52,102.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,901.12 : 140,843.20 = 34,737.28 : x
  2. Step 2: Convert to fraction form
    93,901.12/140,843.20 = 34,737.28/x
  3. Step 3: Cross multiply
    93,901.12x = 140,843.20 × 34,737.28
  4. Step 4: Simplify right side
    93,901.12x = 4,892,509,674.50
  5. Step 5: Solve for x
    x = 4,892,509,674.50/93,901.12
  6. Step 6: Final answer
    x = 52,102.78

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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.