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Finding the Fourth Proportional to 268,553.40, 402,841.03 and 110,766.81

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Solution

The fourth proportional to 268,553.40, 402,841.03 and 110,766.81 is: 166,154.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,553.40 : 402,841.03 = 110,766.81 : x
  2. Step 2: Convert to fraction form
    268,553.40/402,841.03 = 110,766.81/x
  3. Step 3: Cross multiply
    268,553.40x = 402,841.03 × 110,766.81
  4. Step 4: Simplify right side
    268,553.40x = 44,621,415,830.21
  5. Step 5: Solve for x
    x = 44,621,415,830.21/268,553.40
  6. Step 6: Final answer
    x = 166,154.72

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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.