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Finding the Fourth Proportional to 153,995.40, 230,855.58 and 82,956.60

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Solution

The fourth proportional to 153,995.40, 230,855.58 and 82,956.60 is: 124,360.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,995.40 : 230,855.58 = 82,956.60 : x
  2. Step 2: Convert to fraction form
    153,995.40/230,855.58 = 82,956.60/x
  3. Step 3: Cross multiply
    153,995.40x = 230,855.58 × 82,956.60
  4. Step 4: Simplify right side
    153,995.40x = 19,150,994,007.83
  5. Step 5: Solve for x
    x = 19,150,994,007.83/153,995.40
  6. Step 6: Final answer
    x = 124,360.82

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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.