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Finding the Fourth Proportional to 93,520.76, 129,065.24 and 53,234.54

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Solution

The fourth proportional to 93,520.76, 129,065.24 and 53,234.54 is: 73,467.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,520.76 : 129,065.24 = 53,234.54 : x
  2. Step 2: Convert to fraction form
    93,520.76/129,065.24 = 53,234.54/x
  3. Step 3: Cross multiply
    93,520.76x = 129,065.24 × 53,234.54
  4. Step 4: Simplify right side
    93,520.76x = 6,870,727,769.89
  5. Step 5: Solve for x
    x = 6,870,727,769.89/93,520.76
  6. Step 6: Final answer
    x = 73,467.41

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Double scale
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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.