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Finding the Fourth Proportional to 93,911.30, 129,769.44 and 68,373.34

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Solution

The fourth proportional to 93,911.30, 129,769.44 and 68,373.34 is: 94,480.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,911.30 : 129,769.44 = 68,373.34 : x
  2. Step 2: Convert to fraction form
    93,911.30/129,769.44 = 68,373.34/x
  3. Step 3: Cross multiply
    93,911.30x = 129,769.44 × 68,373.34
  4. Step 4: Simplify right side
    93,911.30x = 8,872,770,042.73
  5. Step 5: Solve for x
    x = 8,872,770,042.73/93,911.30
  6. Step 6: Final answer
    x = 94,480.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.