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Finding the Fourth Proportional to 268,267.70, 402,743 and 173,892.81

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Solution

The fourth proportional to 268,267.70, 402,743 and 173,892.81 is: 261,060.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,267.70 : 402,743 = 173,892.81 : x
  2. Step 2: Convert to fraction form
    268,267.70/402,743 = 173,892.81/x
  3. Step 3: Cross multiply
    268,267.70x = 402,743 × 173,892.81
  4. Step 4: Simplify right side
    268,267.70x = 70,034,111,977.83
  5. Step 5: Solve for x
    x = 70,034,111,977.83/268,267.70
  6. Step 6: Final answer
    x = 261,060.55

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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.