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Finding the Fourth Proportional to 268,624.01, 402,797.33 and 79,059.74

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Solution

The fourth proportional to 268,624.01, 402,797.33 and 79,059.74 is: 118,548.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,624.01 : 402,797.33 = 79,059.74 : x
  2. Step 2: Convert to fraction form
    268,624.01/402,797.33 = 79,059.74/x
  3. Step 3: Cross multiply
    268,624.01x = 402,797.33 × 79,059.74
  4. Step 4: Simplify right side
    268,624.01x = 31,845,051,787.20
  5. Step 5: Solve for x
    x = 31,845,051,787.20/268,624.01
  6. Step 6: Final answer
    x = 118,548.79

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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.