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Finding the Fourth Proportional to 123,059.58, 169,817.40 and 69,355.50

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Solution

The fourth proportional to 123,059.58, 169,817.40 and 69,355.50 is: 95,707.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,059.58 : 169,817.40 = 69,355.50 : x
  2. Step 2: Convert to fraction form
    123,059.58/169,817.40 = 69,355.50/x
  3. Step 3: Cross multiply
    123,059.58x = 169,817.40 × 69,355.50
  4. Step 4: Simplify right side
    123,059.58x = 11,777,770,685.70
  5. Step 5: Solve for x
    x = 11,777,770,685.70/123,059.58
  6. Step 6: Final answer
    x = 95,707.87

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1.5x scale

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.