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Finding the Fourth Proportional to 169,473.60, 254,209.29 and 43,112.77

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Solution

The fourth proportional to 169,473.60, 254,209.29 and 43,112.77 is: 64,668.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,473.60 : 254,209.29 = 43,112.77 : x
  2. Step 2: Convert to fraction form
    169,473.60/254,209.29 = 43,112.77/x
  3. Step 3: Cross multiply
    169,473.60x = 254,209.29 × 43,112.77
  4. Step 4: Simplify right side
    169,473.60x = 10,959,666,651.63
  5. Step 5: Solve for x
    x = 10,959,666,651.63/169,473.60
  6. Step 6: Final answer
    x = 64,668.87

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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.