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Finding the Fourth Proportional to 147,648.15, 203,754.33 and 80,580.15

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Solution

The fourth proportional to 147,648.15, 203,754.33 and 80,580.15 is: 111,200.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,648.15 : 203,754.33 = 80,580.15 : x
  2. Step 2: Convert to fraction form
    147,648.15/203,754.33 = 80,580.15/x
  3. Step 3: Cross multiply
    147,648.15x = 203,754.33 × 80,580.15
  4. Step 4: Simplify right side
    147,648.15x = 16,418,554,474.55
  5. Step 5: Solve for x
    x = 16,418,554,474.55/147,648.15
  6. Step 6: Final answer
    x = 111,200.54

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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.