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Finding the Fourth Proportional to 167,424.60, 251,136.90 and 153,946.20

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Solution

The fourth proportional to 167,424.60, 251,136.90 and 153,946.20 is: 230,919.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,424.60 : 251,136.90 = 153,946.20 : x
  2. Step 2: Convert to fraction form
    167,424.60/251,136.90 = 153,946.20/x
  3. Step 3: Cross multiply
    167,424.60x = 251,136.90 × 153,946.20
  4. Step 4: Simplify right side
    167,424.60x = 38,661,571,434.78
  5. Step 5: Solve for x
    x = 38,661,571,434.78/167,424.60
  6. Step 6: Final answer
    x = 230,919.30

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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.