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Finding the Fourth Proportional to 166,525, 229,804.68 and 91,073.68

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Solution

The fourth proportional to 166,525, 229,804.68 and 91,073.68 is: 125,681.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,525 : 229,804.68 = 91,073.68 : x
  2. Step 2: Convert to fraction form
    166,525/229,804.68 = 91,073.68/x
  3. Step 3: Cross multiply
    166,525x = 229,804.68 × 91,073.68
  4. Step 4: Simplify right side
    166,525x = 20,929,157,888.82
  5. Step 5: Solve for x
    x = 20,929,157,888.82/166,525
  6. Step 6: Final answer
    x = 125,681.78

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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.