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Finding the Fourth Proportional to 135,995.80, 204,060.54 and 61,168.84

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Solution

The fourth proportional to 135,995.80, 204,060.54 and 61,168.84 is: 91,783.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,995.80 : 204,060.54 = 61,168.84 : x
  2. Step 2: Convert to fraction form
    135,995.80/204,060.54 = 61,168.84/x
  3. Step 3: Cross multiply
    135,995.80x = 204,060.54 × 61,168.84
  4. Step 4: Simplify right side
    135,995.80x = 12,482,146,521.57
  5. Step 5: Solve for x
    x = 12,482,146,521.57/135,995.80
  6. Step 6: Final answer
    x = 91,783.32

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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.