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Finding the Fourth Proportional to 220,863.65, 304,783.52 and 134,966.27

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Solution

The fourth proportional to 220,863.65, 304,783.52 and 134,966.27 is: 186,248.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,863.65 : 304,783.52 = 134,966.27 : x
  2. Step 2: Convert to fraction form
    220,863.65/304,783.52 = 134,966.27/x
  3. Step 3: Cross multiply
    220,863.65x = 304,783.52 × 134,966.27
  4. Step 4: Simplify right side
    220,863.65x = 41,135,493,327.95
  5. Step 5: Solve for x
    x = 41,135,493,327.95/220,863.65
  6. Step 6: Final answer
    x = 186,248.36

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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.