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Finding the Fourth Proportional to 107,950.16, 161,765.32 and 43,830.33

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Solution

The fourth proportional to 107,950.16, 161,765.32 and 43,830.33 is: 65,680.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,950.16 : 161,765.32 = 43,830.33 : x
  2. Step 2: Convert to fraction form
    107,950.16/161,765.32 = 43,830.33/x
  3. Step 3: Cross multiply
    107,950.16x = 161,765.32 × 43,830.33
  4. Step 4: Simplify right side
    107,950.16x = 7,090,227,371.00
  5. Step 5: Solve for x
    x = 7,090,227,371.00/107,950.16
  6. Step 6: Final answer
    x = 65,680.56

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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.