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Finding the Fourth Proportional to 133,907.16, 200,809.62 and 43,928.76

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Solution

The fourth proportional to 133,907.16, 200,809.62 and 43,928.76 is: 65,876.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,907.16 : 200,809.62 = 43,928.76 : x
  2. Step 2: Convert to fraction form
    133,907.16/200,809.62 = 43,928.76/x
  3. Step 3: Cross multiply
    133,907.16x = 200,809.62 × 43,928.76
  4. Step 4: Simplify right side
    133,907.16x = 8,821,317,602.67
  5. Step 5: Solve for x
    x = 8,821,317,602.67/133,907.16
  6. Step 6: Final answer
    x = 65,876.37

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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.