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Finding the Fourth Proportional to 268,770.90, 370,904.13 and 147,920.94

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Solution

The fourth proportional to 268,770.90, 370,904.13 and 147,920.94 is: 204,131.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,770.90 : 370,904.13 = 147,920.94 : x
  2. Step 2: Convert to fraction form
    268,770.90/370,904.13 = 147,920.94/x
  3. Step 3: Cross multiply
    268,770.90x = 370,904.13 × 147,920.94
  4. Step 4: Simplify right side
    268,770.90x = 54,864,487,559.48
  5. Step 5: Solve for x
    x = 54,864,487,559.48/268,770.90
  6. Step 6: Final answer
    x = 204,131.06

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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.