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Finding the Fourth Proportional to 268,051.58, 402,077.52 and 168,281.85

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Solution

The fourth proportional to 268,051.58, 402,077.52 and 168,281.85 is: 252,422.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,051.58 : 402,077.52 = 168,281.85 : x
  2. Step 2: Convert to fraction form
    268,051.58/402,077.52 = 168,281.85/x
  3. Step 3: Cross multiply
    268,051.58x = 402,077.52 × 168,281.85
  4. Step 4: Simplify right side
    268,051.58x = 67,662,350,416.80
  5. Step 5: Solve for x
    x = 67,662,350,416.80/268,051.58
  6. Step 6: Final answer
    x = 252,422.88

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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.