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Finding the Fourth Proportional to 169,195.72, 253,796.48 and 64,064.20

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Solution

The fourth proportional to 169,195.72, 253,796.48 and 64,064.20 is: 96,097.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,195.72 : 253,796.48 = 64,064.20 : x
  2. Step 2: Convert to fraction form
    169,195.72/253,796.48 = 64,064.20/x
  3. Step 3: Cross multiply
    169,195.72x = 253,796.48 × 64,064.20
  4. Step 4: Simplify right side
    169,195.72x = 16,259,268,454.02
  5. Step 5: Solve for x
    x = 16,259,268,454.02/169,195.72
  6. Step 6: Final answer
    x = 96,097.40

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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.