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Finding the Fourth Proportional to 152,891.80, 229,143.30 and 136,173.40

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Solution

The fourth proportional to 152,891.80, 229,143.30 and 136,173.40 is: 204,086.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,891.80 : 229,143.30 = 136,173.40 : x
  2. Step 2: Convert to fraction form
    152,891.80/229,143.30 = 136,173.40/x
  3. Step 3: Cross multiply
    152,891.80x = 229,143.30 × 136,173.40
  4. Step 4: Simplify right side
    152,891.80x = 31,203,222,248.22
  5. Step 5: Solve for x
    x = 31,203,222,248.22/152,891.80
  6. Step 6: Final answer
    x = 204,086.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.