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Finding the Fourth Proportional to 169,717.60, 254,499.60 and 64,501.60

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Solution

The fourth proportional to 169,717.60, 254,499.60 and 64,501.60 is: 96,723.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,717.60 : 254,499.60 = 64,501.60 : x
  2. Step 2: Convert to fraction form
    169,717.60/254,499.60 = 64,501.60/x
  3. Step 3: Cross multiply
    169,717.60x = 254,499.60 × 64,501.60
  4. Step 4: Simplify right side
    169,717.60x = 16,415,631,399.36
  5. Step 5: Solve for x
    x = 16,415,631,399.36/169,717.60
  6. Step 6: Final answer
    x = 96,723.21

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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.