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Finding the Fourth Proportional to 166,479.87, 229,764.70 and 93,897.66

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Solution

The fourth proportional to 166,479.87, 229,764.70 and 93,897.66 is: 129,591.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,479.87 : 229,764.70 = 93,897.66 : x
  2. Step 2: Convert to fraction form
    166,479.87/229,764.70 = 93,897.66/x
  3. Step 3: Cross multiply
    166,479.87x = 229,764.70 × 93,897.66
  4. Step 4: Simplify right side
    166,479.87x = 21,574,368,659.59
  5. Step 5: Solve for x
    x = 21,574,368,659.59/166,479.87
  6. Step 6: Final answer
    x = 129,591.45

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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.