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Finding the Fourth Proportional to 220,889.23, 304,809.15 and 124,087.82

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Solution

The fourth proportional to 220,889.23, 304,809.15 and 124,087.82 is: 171,231.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,889.23 : 304,809.15 = 124,087.82 : x
  2. Step 2: Convert to fraction form
    220,889.23/304,809.15 = 124,087.82/x
  3. Step 3: Cross multiply
    220,889.23x = 304,809.15 × 124,087.82
  4. Step 4: Simplify right side
    220,889.23x = 37,823,101,880.84
  5. Step 5: Solve for x
    x = 37,823,101,880.84/220,889.23
  6. Step 6: Final answer
    x = 171,231.08

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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.