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Finding the Fourth Proportional to 251,112.30, 376,668.45 and 146,136.30

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Solution

The fourth proportional to 251,112.30, 376,668.45 and 146,136.30 is: 219,204.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,112.30 : 376,668.45 = 146,136.30 : x
  2. Step 2: Convert to fraction form
    251,112.30/376,668.45 = 146,136.30/x
  3. Step 3: Cross multiply
    251,112.30x = 376,668.45 × 146,136.30
  4. Step 4: Simplify right side
    251,112.30x = 55,044,933,609.74
  5. Step 5: Solve for x
    x = 55,044,933,609.74/251,112.30
  6. Step 6: Final answer
    x = 219,204.45

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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.