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Finding the Fourth Proportional to 268,365.80, 402,597.30 and 134,910.20

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Solution

The fourth proportional to 268,365.80, 402,597.30 and 134,910.20 is: 202,389.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,365.80 : 402,597.30 = 134,910.20 : x
  2. Step 2: Convert to fraction form
    268,365.80/402,597.30 = 134,910.20/x
  3. Step 3: Cross multiply
    268,365.80x = 402,597.30 × 134,910.20
  4. Step 4: Simplify right side
    268,365.80x = 54,314,482,262.46
  5. Step 5: Solve for x
    x = 54,314,482,262.46/268,365.80
  6. Step 6: Final answer
    x = 202,389.73

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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.