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Finding the Fourth Proportional to 146,652.57, 219,971.57 and 80,222.45

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Solution

The fourth proportional to 146,652.57, 219,971.57 and 80,222.45 is: 120,329.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,652.57 : 219,971.57 = 80,222.45 : x
  2. Step 2: Convert to fraction form
    146,652.57/219,971.57 = 80,222.45/x
  3. Step 3: Cross multiply
    146,652.57x = 219,971.57 × 80,222.45
  4. Step 4: Simplify right side
    146,652.57x = 17,646,656,774.78
  5. Step 5: Solve for x
    x = 17,646,656,774.78/146,652.57
  6. Step 6: Final answer
    x = 120,329.68

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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.