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Finding the Fourth Proportional to 69,409.10, 104,069.90 and 58,882.82

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Solution

The fourth proportional to 69,409.10, 104,069.90 and 58,882.82 is: 88,287.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,409.10 : 104,069.90 = 58,882.82 : x
  2. Step 2: Convert to fraction form
    69,409.10/104,069.90 = 58,882.82/x
  3. Step 3: Cross multiply
    69,409.10x = 104,069.90 × 58,882.82
  4. Step 4: Simplify right side
    69,409.10x = 6,127,928,374.35
  5. Step 5: Solve for x
    x = 6,127,928,374.35/69,409.10
  6. Step 6: Final answer
    x = 88,287.11

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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.