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Finding the Fourth Proportional to 158,653.80, 238,110.30 and 153,469.80

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Solution

The fourth proportional to 158,653.80, 238,110.30 and 153,469.80 is: 230,330.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,653.80 : 238,110.30 = 153,469.80 : x
  2. Step 2: Convert to fraction form
    158,653.80/238,110.30 = 153,469.80/x
  3. Step 3: Cross multiply
    158,653.80x = 238,110.30 × 153,469.80
  4. Step 4: Simplify right side
    158,653.80x = 36,542,740,118.94
  5. Step 5: Solve for x
    x = 36,542,740,118.94/158,653.80
  6. Step 6: Final answer
    x = 230,330.07

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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.