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Finding the Fourth Proportional to 164,765.93, 246,979.20 and 64,885.64

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Solution

The fourth proportional to 164,765.93, 246,979.20 and 64,885.64 is: 97,261.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,765.93 : 246,979.20 = 64,885.64 : x
  2. Step 2: Convert to fraction form
    164,765.93/246,979.20 = 64,885.64/x
  3. Step 3: Cross multiply
    164,765.93x = 246,979.20 × 64,885.64
  4. Step 4: Simplify right side
    164,765.93x = 16,025,403,134.26
  5. Step 5: Solve for x
    x = 16,025,403,134.26/164,765.93
  6. Step 6: Final answer
    x = 97,261.63

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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.