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Finding the Fourth Proportional to 169,704.82, 254,557.00 and 43,345.20

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Solution

The fourth proportional to 169,704.82, 254,557.00 and 43,345.20 is: 65,017.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,704.82 : 254,557.00 = 43,345.20 : x
  2. Step 2: Convert to fraction form
    169,704.82/254,557.00 = 43,345.20/x
  3. Step 3: Cross multiply
    169,704.82x = 254,557.00 × 43,345.20
  4. Step 4: Simplify right side
    169,704.82x = 11,033,824,491.14
  5. Step 5: Solve for x
    x = 11,033,824,491.14/169,704.82
  6. Step 6: Final answer
    x = 65,017.74

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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.