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Finding the Fourth Proportional to 170,179.68, 255,236.58 and 64,973.64

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Solution

The fourth proportional to 170,179.68, 255,236.58 and 64,973.64 is: 97,447.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,179.68 : 255,236.58 = 64,973.64 : x
  2. Step 2: Convert to fraction form
    170,179.68/255,236.58 = 64,973.64/x
  3. Step 3: Cross multiply
    170,179.68x = 255,236.58 × 64,973.64
  4. Step 4: Simplify right side
    170,179.68x = 16,583,649,663.75
  5. Step 5: Solve for x
    x = 16,583,649,663.75/170,179.68
  6. Step 6: Final answer
    x = 97,447.88

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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.