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Finding the Fourth Proportional to 169,605.80, 254,415.62 and 43,249.32

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Solution

The fourth proportional to 169,605.80, 254,415.62 and 43,249.32 is: 64,875.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,605.80 : 254,415.62 = 43,249.32 : x
  2. Step 2: Convert to fraction form
    169,605.80/254,415.62 = 43,249.32/x
  3. Step 3: Cross multiply
    169,605.80x = 254,415.62 × 43,249.32
  4. Step 4: Simplify right side
    169,605.80x = 11,003,302,427.22
  5. Step 5: Solve for x
    x = 11,003,302,427.22/169,605.80
  6. Step 6: Final answer
    x = 64,875.74

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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.