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Finding the Fourth Proportional to 238,508.58, 328,795.11 and 166,665.54

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Solution

The fourth proportional to 238,508.58, 328,795.11 and 166,665.54 is: 229,756.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,508.58 : 328,795.11 = 166,665.54 : x
  2. Step 2: Convert to fraction form
    238,508.58/328,795.11 = 166,665.54/x
  3. Step 3: Cross multiply
    238,508.58x = 328,795.11 × 166,665.54
  4. Step 4: Simplify right side
    238,508.58x = 54,798,814,557.51
  5. Step 5: Solve for x
    x = 54,798,814,557.51/238,508.58
  6. Step 6: Final answer
    x = 229,756.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.