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Finding the Fourth Proportional to 220,173.46, 303,846.53 and 124,678.10

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Solution

The fourth proportional to 220,173.46, 303,846.53 and 124,678.10 is: 172,059.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,173.46 : 303,846.53 = 124,678.10 : x
  2. Step 2: Convert to fraction form
    220,173.46/303,846.53 = 124,678.10/x
  3. Step 3: Cross multiply
    220,173.46x = 303,846.53 × 124,678.10
  4. Step 4: Simplify right side
    220,173.46x = 37,883,008,188.22
  5. Step 5: Solve for x
    x = 37,883,008,188.22/220,173.46
  6. Step 6: Final answer
    x = 172,059.83

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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.