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Finding the Fourth Proportional to 93,410.96, 140,062.64 and 63,864.64

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Solution

The fourth proportional to 93,410.96, 140,062.64 and 63,864.64 is: 95,760.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,410.96 : 140,062.64 = 63,864.64 : x
  2. Step 2: Convert to fraction form
    93,410.96/140,062.64 = 63,864.64/x
  3. Step 3: Cross multiply
    93,410.96x = 140,062.64 × 63,864.64
  4. Step 4: Simplify right side
    93,410.96x = 8,945,050,081.05
  5. Step 5: Solve for x
    x = 8,945,050,081.05/93,410.96
  6. Step 6: Final answer
    x = 95,760.18

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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.