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Finding the Fourth Proportional to 159,497.10, 239,245.65 and 64,727.10

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Solution

The fourth proportional to 159,497.10, 239,245.65 and 64,727.10 is: 97,090.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,497.10 : 239,245.65 = 64,727.10 : x
  2. Step 2: Convert to fraction form
    159,497.10/239,245.65 = 64,727.10/x
  3. Step 3: Cross multiply
    159,497.10x = 239,245.65 × 64,727.10
  4. Step 4: Simplify right side
    159,497.10x = 15,485,677,112.12
  5. Step 5: Solve for x
    x = 15,485,677,112.12/159,497.10
  6. Step 6: Final answer
    x = 97,090.65

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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.