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Finding the Fourth Proportional to 146,057.68, 201,593.23 and 85,647.79

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Solution

The fourth proportional to 146,057.68, 201,593.23 and 85,647.79 is: 118,213.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,057.68 : 201,593.23 = 85,647.79 : x
  2. Step 2: Convert to fraction form
    146,057.68/201,593.23 = 85,647.79/x
  3. Step 3: Cross multiply
    146,057.68x = 201,593.23 × 85,647.79
  4. Step 4: Simplify right side
    146,057.68x = 17,266,014,581.12
  5. Step 5: Solve for x
    x = 17,266,014,581.12/146,057.68
  6. Step 6: Final answer
    x = 118,213.67

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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.