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Finding the Fourth Proportional to 104,528.84, 144,246.50 and 59,211

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Solution

The fourth proportional to 104,528.84, 144,246.50 and 59,211 is: 81,709.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,528.84 : 144,246.50 = 59,211 : x
  2. Step 2: Convert to fraction form
    104,528.84/144,246.50 = 59,211/x
  3. Step 3: Cross multiply
    104,528.84x = 144,246.50 × 59,211
  4. Step 4: Simplify right side
    104,528.84x = 8,540,979,511.50
  5. Step 5: Solve for x
    x = 8,540,979,511.50/104,528.84
  6. Step 6: Final answer
    x = 81,709.31

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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.