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Finding the Fourth Proportional to 354,923.80, 532,123.10 and 167,716.60

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Solution

The fourth proportional to 354,923.80, 532,123.10 and 167,716.60 is: 251,450.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,923.80 : 532,123.10 = 167,716.60 : x
  2. Step 2: Convert to fraction form
    354,923.80/532,123.10 = 167,716.60/x
  3. Step 3: Cross multiply
    354,923.80x = 532,123.10 × 167,716.60
  4. Step 4: Simplify right side
    354,923.80x = 89,245,877,113.46
  5. Step 5: Solve for x
    x = 89,245,877,113.46/354,923.80
  6. Step 6: Final answer
    x = 251,450.81

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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.