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Finding the Fourth Proportional to 149,208.60, 223,812.90 and 50,712.60

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Solution

The fourth proportional to 149,208.60, 223,812.90 and 50,712.60 is: 76,068.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,208.60 : 223,812.90 = 50,712.60 : x
  2. Step 2: Convert to fraction form
    149,208.60/223,812.90 = 50,712.60/x
  3. Step 3: Cross multiply
    149,208.60x = 223,812.90 × 50,712.60
  4. Step 4: Simplify right side
    149,208.60x = 11,350,134,072.54
  5. Step 5: Solve for x
    x = 11,350,134,072.54/149,208.60
  6. Step 6: Final answer
    x = 76,068.90

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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.