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Finding the Fourth Proportional to 101,109.60, 151,461.39 and 50,355.66

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Solution

The fourth proportional to 101,109.60, 151,461.39 and 50,355.66 is: 75,432.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,109.60 : 151,461.39 = 50,355.66 : x
  2. Step 2: Convert to fraction form
    101,109.60/151,461.39 = 50,355.66/x
  3. Step 3: Cross multiply
    101,109.60x = 151,461.39 × 50,355.66
  4. Step 4: Simplify right side
    101,109.60x = 7,626,938,257.97
  5. Step 5: Solve for x
    x = 7,626,938,257.97/101,109.60
  6. Step 6: Final answer
    x = 75,432.38

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1.5x scale

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.