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Finding the Fourth Proportional to 220,713.36, 304,563.36 and 123,895.05

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Solution

The fourth proportional to 220,713.36, 304,563.36 and 123,895.05 is: 170,963.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,713.36 : 304,563.36 = 123,895.05 : x
  2. Step 2: Convert to fraction form
    220,713.36/304,563.36 = 123,895.05/x
  3. Step 3: Cross multiply
    220,713.36x = 304,563.36 × 123,895.05
  4. Step 4: Simplify right side
    220,713.36x = 37,733,892,715.37
  5. Step 5: Solve for x
    x = 37,733,892,715.37/220,713.36
  6. Step 6: Final answer
    x = 170,963.34

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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.