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Finding the Fourth Proportional to 166,028, 229,100.97 and 93,429.63

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Solution

The fourth proportional to 166,028, 229,100.97 and 93,429.63 is: 128,922.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,028 : 229,100.97 = 93,429.63 : x
  2. Step 2: Convert to fraction form
    166,028/229,100.97 = 93,429.63/x
  3. Step 3: Cross multiply
    166,028x = 229,100.97 × 93,429.63
  4. Step 4: Simplify right side
    166,028x = 21,404,818,859.74
  5. Step 5: Solve for x
    x = 21,404,818,859.74/166,028
  6. Step 6: Final answer
    x = 128,922.95

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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.