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Finding the Fourth Proportional to 147,218.84, 203,162.04 and 80,150.84

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Solution

The fourth proportional to 147,218.84, 203,162.04 and 80,150.84 is: 110,608.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,218.84 : 203,162.04 = 80,150.84 : x
  2. Step 2: Convert to fraction form
    147,218.84/203,162.04 = 80,150.84/x
  3. Step 3: Cross multiply
    147,218.84x = 203,162.04 × 80,150.84
  4. Step 4: Simplify right side
    147,218.84x = 16,283,608,670.02
  5. Step 5: Solve for x
    x = 16,283,608,670.02/147,218.84
  6. Step 6: Final answer
    x = 110,608.18

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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.