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Finding the Fourth Proportional to 220,313.01, 304,059.51 and 124,850.46

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Solution

The fourth proportional to 220,313.01, 304,059.51 and 124,850.46 is: 172,309.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,313.01 : 304,059.51 = 124,850.46 : x
  2. Step 2: Convert to fraction form
    220,313.01/304,059.51 = 124,850.46/x
  3. Step 3: Cross multiply
    220,313.01x = 304,059.51 × 124,850.46
  4. Step 4: Simplify right side
    220,313.01x = 37,961,969,690.87
  5. Step 5: Solve for x
    x = 37,961,969,690.87/220,313.01
  6. Step 6: Final answer
    x = 172,309.25

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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.