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Finding the Fourth Proportional to 225,219.92, 310,798.68 and 123,244.97

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Solution

The fourth proportional to 225,219.92, 310,798.68 and 123,244.97 is: 170,075.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,219.92 : 310,798.68 = 123,244.97 : x
  2. Step 2: Convert to fraction form
    225,219.92/310,798.68 = 123,244.97/x
  3. Step 3: Cross multiply
    225,219.92x = 310,798.68 × 123,244.97
  4. Step 4: Simplify right side
    225,219.92x = 38,304,372,438.65
  5. Step 5: Solve for x
    x = 38,304,372,438.65/225,219.92
  6. Step 6: Final answer
    x = 170,075.42

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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.