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Finding the Fourth Proportional to 336,136.14, 504,205.20 and 86,818.14

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Solution

The fourth proportional to 336,136.14, 504,205.20 and 86,818.14 is: 130,227.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,136.14 : 504,205.20 = 86,818.14 : x
  2. Step 2: Convert to fraction form
    336,136.14/504,205.20 = 86,818.14/x
  3. Step 3: Cross multiply
    336,136.14x = 504,205.20 × 86,818.14
  4. Step 4: Simplify right side
    336,136.14x = 43,774,157,642.33
  5. Step 5: Solve for x
    x = 43,774,157,642.33/336,136.14
  6. Step 6: Final answer
    x = 130,227.47

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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.