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Finding the Fourth Proportional to 93,570.70, 140,411.64 and 34,447.90

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Solution

The fourth proportional to 93,570.70, 140,411.64 and 34,447.90 is: 51,692.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,570.70 : 140,411.64 = 34,447.90 : x
  2. Step 2: Convert to fraction form
    93,570.70/140,411.64 = 34,447.90/x
  3. Step 3: Cross multiply
    93,570.70x = 140,411.64 × 34,447.90
  4. Step 4: Simplify right side
    93,570.70x = 4,836,886,133.56
  5. Step 5: Solve for x
    x = 4,836,886,133.56/93,570.70
  6. Step 6: Final answer
    x = 51,692.32

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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.