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Finding the Fourth Proportional to 179,043.21, 268,582.35 and 65,221.95

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Solution

The fourth proportional to 179,043.21, 268,582.35 and 65,221.95 is: 97,839.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,043.21 : 268,582.35 = 65,221.95 : x
  2. Step 2: Convert to fraction form
    179,043.21/268,582.35 = 65,221.95/x
  3. Step 3: Cross multiply
    179,043.21x = 268,582.35 × 65,221.95
  4. Step 4: Simplify right side
    179,043.21x = 17,517,464,602.58
  5. Step 5: Solve for x
    x = 17,517,464,602.58/179,043.21
  6. Step 6: Final answer
    x = 97,839.31

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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.