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Finding the Fourth Proportional to 368,744.56, 553,197.48 and 119,451.76

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Solution

The fourth proportional to 368,744.56, 553,197.48 and 119,451.76 is: 179,203.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,744.56 : 553,197.48 = 119,451.76 : x
  2. Step 2: Convert to fraction form
    368,744.56/553,197.48 = 119,451.76/x
  3. Step 3: Cross multiply
    368,744.56x = 553,197.48 × 119,451.76
  4. Step 4: Simplify right side
    368,744.56x = 66,080,412,613.56
  5. Step 5: Solve for x
    x = 66,080,412,613.56/368,744.56
  6. Step 6: Final answer
    x = 179,203.76

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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.